
MFL71756201 (1.0)
Copyright ©2020 LG Electronics Inc. All rights reserved.
www.lg.com
ENGLISH
USER GUIDE
LM-K420YM

1
About this user guide
Thank you for choosing this LG product. Please carefully read this user
guide before using the device for the first time to ensure safe and proper
use.
• Always use genuine LG accessories. The supplied items are designed
only for this device and may not be compatible with other devices.
• Descriptions are based on the device default settings.
• Default apps on the device are subject to updates, and support for
these apps may be withdrawn without prior notice. If you have any
questions about an app provided with the device, please contact an
LG Service Centre. For user-installed apps, please contact the relevant
service provider.
• Modifying the device’s operating system or installing software from
unofficial sources may damage the device and lead to data corruption
or data loss. Such actions will violate your LG licence agreement and
void your warranty.
• Some content and illustrations may differ from your device, depending
on the area, service provider, software version, or OS version, and are
subject to change without prior notice.
• Software, audio, wallpaper, images, and other media supplied with
your device are licenced for limited use. If you extract and use these
materials for commercial or other purposes, you may be infringing
copyright laws. As a user, you are fully responsible for the illegal use of
media.
• Additional charges may incur for data services, such as messaging,
uploading, downloading, auto-syncing and location services. To avoid
additional charges, select a data plan suitable to your needs. Contact
your service provider to obtain additional details.
ENGLISH

2About this user guide
Instructional notices
WARNING: Situations that could cause injury to the user and third
parties.
CAUTION: Situations that may cause minor injury or damage to the
device.
NOTE: Notices or additional information.

3
Table of contents
01
Custom-designed
Features
14 Camera features
18 Audio recording features
18 Google Assistant
20 Fingerprint recognition
24 Multi-tasking feature
02
Basic Functions
28 Product components and
accessories
29
Parts overview
33 Turning the power on or off
34 Installing the SIM card
36 Inserting the memory card
37 Removing the memory card
37 Battery
40 Touch screen
43 Home screen
51 Screen lock
54 Memory card encryption
55 Taking screenshots
56 Content sharing
57 Do not disturb
6 Guidelines for safe and efficient use

4Table of contents
03
Useful Apps
60 Installing and uninstalling apps
61 App Shortcuts
62 Phone
66 Messaging
67 Camera
77 Gallery
81 Contacts
84 QuickMemo+
86 Clock
87 Calculator
87 Music
88 ThinQ
89 Audio Recorder
89 Game Launcher
90 Smart Doctor
90 LG Mobile Switch
90 App trash
91 RemoteCall Service
91 Cell Broadcast
91 Google apps
04
Settings
95 Settings
95 Network & internet
101 Connected devices
103 Sound
105 Notifications
105 Display
106 Wallpaper & theme
106 Lock screen & security
108 Privacy
109 Location
109 Extensions
111 Apps
111 Battery
112 Storage
112 Accounts
112 Digital Wellbeing & parental
controls
113
Google
113 System
116 Accessibility

5Table of contents
05
Appendix
120 LG Language Settings
120 LG Bridge
121 Phone software update
123 Anti-Theft Guide
124 Open Source Software Notice
Information
124
Regulatory information
(Regulation ID number, E-labeling,
etc.)
125 Trademarks
126 Laser safety statement
126 DECLARATION OF
CONFORMITY
127
More information
129 FAQ

6
Guidelines for safe and efficient use
Please read these simple guidelines. Not following these guidelines may be
dangerous or illegal.
Should a fault occur, a software tool is built into your device that will gather a
fault log. This tool gathers only data specific to the fault, such as signal strength,
cell ID position in sudden call drop and applications loaded. The log is used only to
help determine the cause of the fault. These logs are encrypted and can only be
accessed by an authorised LG Repair centre should you need to return your device
for repair.
Exposure to radio frequency energy
Radio wave exposure and Specific Absorption Rate (SAR) information.
This device has been designed to comply with applicable safety requirements for
exposure to radio waves. These requirements are based on scientific guidelines that
include safety margins designed to assure the safety of all persons, regardless of
age and health.
• The radio wave exposure guidelines employ a unit of measurement known
as the Specific Absorption Rate, or SAR. Tests for SAR are conducted using
standardised methods with the device transmitting at its highest certified
power level in all used frequency bands.
• While there may be differences between the SAR levels of various LG device
models, they are all designed to meet the relevant guidelines for exposure to
radio waves.
• The SAR limit recommended by the International Commission on Non-Ionizing
RadiationProtection(ICNIRP)is2W/kgaveragedover10goftissue.
• The highest SAR value for this model tested for use at the ear is 0.606 W/kg
(10g)andwhenwornonthebodyis1.504W/kg(10g).
• This device meets RF exposure guidelines when used either in the normal use
positionagainsttheearorwhenpositionedatleast5mmawayfromthebody.
When a carry case, belt clip or holder is used for body-worn operation, it should
notcontainmetalandshouldpositiontheproductatleast5mmawayfrom
your body. In order to transmit data files or messages, this device requires a
quality connection to the network. In some cases, transmission of data files
or messages may be delayed until such a connection is available. Ensure the
above separation distance instructions are followed until the transmission is
completed.

7Guidelines for safe and efficient use
Product care and maintenance
• Use only in-box accessories which are authorised by LG. LG does not guarantee
any damage or failure which is caused by third party accessories.
• Some contents and illustrations may differ from your device without prior
notice.
• Do not disassemble this unit. Take it to a qualified service technician when repair
work is required.
• Repairs under warranty, at LG’s discretion, may include replacement parts
or boards that are either new or reconditioned, provided that they have
functionality equal to that of the parts being replaced.
• Keep away from electrical appliances such as TVs, radios and personal
computers.
• The unit should be kept away from heat sources such as radiators or cookers.
• Do not drop.
• Do not subject this unit to mechanical vibration or shock.
• Switch off the device in any area where you are required to by special
regulations. For example, do not use your device in hospitals as it may affect
sensitive medical equipment.
• Do not handle the device with wet hands while it is being charged. It may cause
an electric shock and can seriously damage your device.
• Do not charge a handset near flammable material as the handset can become
hot and create a fire hazard.
• Use a dry cloth to clean the exterior of the unit (do not use solvents such as
benzene, thinner or alcohol).
• Do not charge the device when it is on soft furnishings.
• The device should be charged in a well ventilated area.
• Do not subject this unit to excessive smoke or dust.
• Do not keep the device next to credit cards or transport tickets; it can affect the
information on the magnetic strips.
• Do not tap the screen with a sharp object as it may damage the device.
• Do not expose the device to liquid or moisture.
• Use accessories like earphones cautiously. Do not touch the antenna
unnecessarily.

8Guidelines for safe and efficient use
• Do not use, touch or attempt to remove or fix broken, chipped or cracked glass.
Damage to the glass display due to abuse or misuse is not covered under the
warranty.
• Your device is an electronic device that generates heat during normal operation.
Extremely prolonged, direct skin contact in the absence of adequate ventilation
may result in discomfort or minor burns. Therefore, use care when handling your
device during or immediately after operation.
• If your device gets wet, immediately unplug it to dry off completely. Do not
attempt to accelerate the drying process with an external heating source, such
as an oven, microwave or hair dryer.
• The liquid in your wet device, changes the colour of the product label inside your
device. Damage to your device as a result of exposure to liquid is not covered
under your warranty.
• A mobile device requires proper air circulation in order to dissipate heat. Direct
skin contact and inadequate circulation of air flow to the device may cause the
device to overheat. The device must be at least 1.0cm from between the user’s
body.
• Prevent dust of any other foreign substances from getting into the Charger/
USB cable port. It may cause heat or fire.
• Avoid exposing the device to low air pressure at high altitude.
• Do not expose the device to extremely low air pressure. Otherwise, it can cause
explosion of the battery or leakage of flammable liquid or gas.
• Please ensure that the product does not get in contact with liquid. Do not use
or recharge the product if it is wet. Once the product becomes wet, the liquid
damage indicator changes colour. Please note that this will limit you from
receiving any free-of-charge repair services provided under warranty.

9Guidelines for safe and efficient use
Efficient device operation
Electronics devices
All devices may receive interference, which could affect performance.
• Do not use your device near medical equipment without requesting permission.
Please consult your doctor to determine if operation of your device may
interfere with the operation of your medical device.
•
Pacemakermanufacturersrecommendthatyouleaveatleast15cmofspace
between other devices and a pacemaker to avoid potential interference with the
pacemaker.
• This device may produce a bright or flashing light.
• Some hearing aids might be disturbed by devices.
• Minor interference may affect TVs, radios, PCs etc.
•
Useyourdeviceintemperaturesbetween0ºCand40ºC,ifpossible.Exposing
your device to extremely low or high temperatures may result in damage,
malfunction, or even explosion.
Road safety
Check the laws and regulations on the use of devices in the area when you drive.
• Do not use a hand-held device while driving.
• Give full attention to driving.
• Pull off the road and park before making or answering a call if driving conditions
so require.
• RF energy may affect some electronic systems in your vehicle such as car
stereos and safety equipment.
• When your vehicle is equipped with an air bag, do not obstruct with installed
or portable wireless equipment. It can cause the air bag to fail or cause serious
injury due to improper performance.
• If you are listening to music whilst out and about, please ensure that the volume
is at a reasonable level so that you are aware of your surroundings. This is of
particular importance when near roads.

10Guidelines for safe and efficient use
Avoid damage to your hearing
To prevent possible hearing damage, do not listen at high volume
levels for long periods.
Damage to your hearing can occur if you are exposed to loud sound for long
periods of time. We therefore recommend that you do not turn on or off the
handset close to your ear. We also recommend that music and call volumes are set
to a reasonable level.
• When using headphones, turn the volume down if you cannot hear the people
speaking near you, or if the person sitting next to you can hear what you are
listening to.
• Excessive sound pressure from earphones and headphones can cause
hearing loss.
Glass Parts
Some parts of your device are made of glass. This glass could break if your device is
dropped on a hard surface or receives a substantial impact. If the glass breaks, do
not touch or attempt to remove it. Stop using your device until the glass is replaced
by an authorised service provider.
Blasting area
Do not use the device where blasting is in progress. Observe restrictions and follow
any regulations or rules.
Potentially explosive atmospheres
• Do not use your device at a refueling point.
• Do not use near fuel or chemicals.
• Do not transport or store flammable gas, liquid or explosives in the same
compartment of your vehicle as your device or accessories.
In aircraft
Wireless devices can cause interference in aircraft.
• Turn your device off before boarding any aircraft.
• Do not use it on the ground without permission from the crew.

11Guidelines for safe and efficient use
Children
Keep the device in a safe place out of the reach of small children. It includes small
parts which may cause a choking hazard if detached.
Emergency calls
Emergency calls may not be available on all mobile networks. Therefore you should
never depend solely on your device for emergency calls. Check with your local
service provider.
Battery information and care
• You do not need to completely discharge the battery before recharging. Unlike
other battery systems, there is no memory effect that could compromise the
battery’s performance.
• Use only LG batteries and chargers. LG chargers are designed to maximise the
battery life.
• Do not disassemble or short-circuit the battery.
• Keep the metal contacts of the battery clean.
• Replace the battery when it no longer provides acceptable performance. The
battery pack may be recharged hundreds of times before it needs replacing.
• Recharge the battery if it has not been used for a long time to maximise
usability.
• Do not expose the battery charger to direct sunlight or use it in high humidity,
such as in the bathroom.
• Do not leave the battery in hot or cold places, as this may deteriorate battery
performance.
• Risk of explosion if battery is replaced by an incorrect type. Dispose of used
batteries according to the instructions.
• If you need to replace the battery, take it to the nearest authorised LG
Electronics service point or dealer for assistance.
• Always unplug the charger from the wall socket after the device is fully charged
to save unnecessary power consumption of the charger.
• Actual battery life will depend on network configuration, product settings,
usage patterns, battery and environmental conditions.
• Make sure that no sharp-edged items such as animal’s teeth or claws, come
into contact with the battery. This could cause a fire.

12Guidelines for safe and efficient use
Securing personal information
• Make sure to protect your personal information to prevent data leakage or
misuse of sensitive information.
• Always back up important data while using the device. LG is not responsible for
any data loss.
• Make sure to back up all data and reset the device when disposing of the device
to prevent any misuse of sensitive information.
• Read the permission screen carefully while downloading applications.
• Be cautious using the applications that have access to multiple functions or to
your personal information.
• Check your personal accounts regularly. If you find any sign of misuse of your
personal information, ask your service provider to delete or change your account
information.
• If your device is lost or stolen, change the password of your account to secure
your personal information.
• Do not use applications from unknown sources.
Notice for Battery replacement
• For your safety, do not remove the battery incorporated in the product.
If you need to replace the battery, take it to the nearest authorised LG
Electronics service point or dealer for assistance.
• Li-Ion Battery is a hazardous component which can cause injury.
• Battery replacement by a non-qualified professional can cause damage
to your device.

Custom-designed
Features
01

Custom-designed Features 14
Camera features
Wide-angle camera
You can take photos or record videos with a wider range than your actual
field of vision by using the wide-angle on the rear camera.
Tap
, then tap
x1.0
/ to switch between the standard and wide-
angle.
Change the
camera angle.
Rear Camera
• See
Gallery overview
for details.
• You can switch between the standard and wide-angle camera lenses on
the rear camera only.

Custom-designed Features 15
Portrait
You can take a sharp portrait by applying the camera lens blur effect.
1
Tap , then tap Portrait.
2
Tap to take a photo.
• Keep the distance to your subject within 1.3 ~ 5.0 feet when using the
rear camera.
• This feature is not available if the surroundings are too dark.
• After applying this feature, tap the desired position on the preview
screen to automatically apply the exposure value and focus when using
the rear camera, or exposure value only when using the front camera.

Custom-designed Features 16
AI CAM
You can effectively take photos or record videos since the camera
recognises the object when taking a photo or recording a video.
1
Tap , then tap AI CAM.
2
When the object is recognised, the best effect for the scene is applied.
• To apply other effects, tap the scene icon.
• Pet, city, flower, food, landscape, person, sunset, auto, total 8
categories can be recognised automatically.
Sunset Flower
• The result of the scene recognition may differ depending on the
illumination or the location of the subject while taking photos. Keywords
do not appear on the actual photos or videos.
• This feature is available only when the front and rear cameras are in the
AI mode.

Custom-designed Features 17
Sticker
You can apply a variety of stickers to your photos or videos.
You can create richer content by using 3D AR Effect.
1
Tap and select Sticker by swiping camera modes.
• Select a desired sticker by swiping stickers.
2
Tap to take a photo, or tap and hold to record a video.
• The front and rear cameras cannot be switched while recording a
video.
3
Tap to end the video recording.
• The photo or video will be saved in Gallery.
Set timer settingSet camera
Choose screen ratio

Custom-designed Features 18
Audio recording features
LG 3D Sound Engine
LG 3D Sound Engine feature allows you to hear stereoscopic and
optimised sound. When playing music or video, you can enjoy stereoscopic
and immersive sound as if you were listening in the field.
1
Drag the notifications panel downwards.
2
Tap Settings Sound Sound quality and effects LG 3D Sound
Engine and tap
to activate it.
• If you connect an external audio device such as an earphone or speaker
to the product, a pop-up appears to turn on the LG 3D Sound Engine
feature.
Google Assistant
Google Assistant overview
Your device has the built-in Google Assistant feature. Find answers and
get things done while on-the-go.
• To use this feature, first connect to the network.
Launching Google Assistant
1
Press the Google Assistant key on the left side of the device.
or
Swipe diagonally from a bottom edge corner of the screen.
2
Tap GET STARTED.
3
Follow the on-screen instructions.

Custom-designed Features 19
• The device saves your voice data for recognition.
4
Set whether to use the voice match unlock function.
• If you use the voice match unlock function, you can unlock the
device even when the device screen is turned off or the device is
charging by saying “OK Google” or “Hey Google”.
• This feature may be more vulnerable to security than the other screen
locks, such as Pattern, PIN, and Password.
When a similar voice or your recorded voice is used, the screen may be
unlocked.
• To use this feature, on the home screen, tap Settings
Lock screen
& security
Secure lock settings Smart Lock, and then use the
screen lock method you set to unlock the device.
• You need to unlock the device by using the specified method if you fail to
unlock the device with voice recognition. See
Setting a screen lock
for details.
5
Tap Finish.
Accessing by Voice
1
When the home screen is turned off or locked, say “OK Google” or
“Hey Google”.
2
When the Google Assistant screen appears, say a command or ask a
question.
Accessing from Home Screen
1
Press the Google Assistant key on the left side of the device.
or
Swipe diagonally from a bottom edge corner of the screen.
2
Say a command or question when you see on the bottom of the
screen.

Custom-designed Features 20
• In an environment where Wi-Fi or mobile data connection is poor, the
Google Assistant function may be restricted and the speech recognition
accuracy rate may be lowered.
• If the speech is ambiguous, the microphone is covered, a media player is
playing, or the surrounding is loud, the speech recognition accuracy rate
may be lowered. When you are using the product via voice commands,
say with accurate pronunciation in a quite environment for better
speech recognition accuracy.
Fingerprint recognition
Fingerprint recognition overview
You must register your fingerprint on your device first before using the
fingerprint recognition function.
You can use the fingerprint recognition function in the following cases:
• To unlock the screen.
• To view the locked content in the QuickMemo+.
• Confirm a purchase by signing into an app or identifying yourself with
your fingerprint.
• You can use fingerprint data for user authentication. There is a
possibility that the fingerprint sensor might recognise a different but
very similar fingerprint as the same registered fingerprint. To strengthen
security, it is recommended that you use the pattern, PIN, or password
method for unlocking the screen.
• If the device cannot detect your fingerprint or you forgot the value
specified for registration, visit the nearest LG Customer Service Centre
with your device and ID card.

Custom-designed Features 21
Precautions for fingerprint recognition
Fingerprint recognition accuracy may decrease due to a number of
reasons. To maximise the recognition accuracy, check the following before
using the device.
• At the bottom centre of the product’s screen, there is a built-in sensor
that recognises fingerprints. Be careful not to scratch or damage the
fingerprint sensor with metal objects such as coins or keys.
• If there are foreign substances (sweat, lotion, water, dirt, grease, etc.)
on the fingerprint sensor or on the finger to be put on the sensor,
fingerprint recognition may not work properly. Wipe the sensor and the
finger clean and remove all moisture before putting the finger on the
sensor.
• If the finger’s surface is rough due to it being scarred or pruney from
water, the sensor may not be able to recognise the fingerprint. In such
a case, register another fingerprint.
• If you bend your finger or use the fingertip only, your fingerprint may
not be recognised. Make sure that your finger covers the entire surface
of the fingerprint sensor.
• Scan only one finger for each registration. Scanning more than one
finger may affect fingerprint registration and recognition.
• The device may generate static electricity if the surrounding air is dry.
If the surrounding air is dry, avoid scanning fingerprints, or touch a
metallic object such as a coin or a key before scanning fingerprints to
remove static electricity.

Custom-designed Features 22
Registering fingerprints
You can register and save your fingerprint on the device to use fingerprint
identification.
1
On the home screen, tap Settings Lock screen & security
Fingerprints.
• A lock screen must be set in order to be able to use this feature.
• If the screen lock is not active, configure the lock screen by following the
on-screen instructions. See
Setting a screen lock
for details.
2
Place your finger on the fingerprint sensor on the device and adjust it
little by little.
• Gently press the fingerprint sensor so that the sensor can recognise
your fingerprint.
• Ensure that your finger covers the entire surface of the fingerprint
sensor.
3
Follow the on-screen instructions.
• Until the fingerprint registration is completed, move the same finger
around on the sensor little by little.
• Put the finger on the sensor. When you feel a vibration, remove the
finger from the sensor.

Custom-designed Features 23
4
When the fingerprint registration is done, tap OK.
• Tap Add more to register another fingerprint. Since the fingerprint
recognition success rate depends on the condition of the registered
fingerprint, it is recommended that you register several different
fingerprints.
Managing fingerprints
You can edit or delete registered fingerprints.
1
On the home screen, tap Settings Lock screen & security
Fingerprints.
2
Unlock according to the specified lock method.
3
From the fingerprint list, tap a fingerprint to rename it. To delete it, tap
.
Unlocking the screen with a fingerprint
You can unlock the screen or view the locked content by using your
fingerprint. Activate the desired function:
1
On the home screen, tap Settings Lock screen & security
Fingerprints.
2
Unlock according to the specified lock method.
3
On the fingerprint settings screen, activate the desired function:
• Screen lock: Unlock screen with a fingerprint.
• Content lock: Unlock content with a fingerprint. To do this, make
sure that the content lock is set.
• Screen unlock when screen is off: Unlock screen even when the
screen is off by placing your finger on the Power key.

Custom-designed Features 24
Multi-tasking feature
Recent Uses Screen
Swipe the Home button upward and hold to view the recent use
history.
Pop-up window
You can open multiple apps on the screen and easily switch between
them at any time.
1
Swipe up on from the bottom of the screen.
2
Tap the app icon on the top left of the app screen and select Pop-up
window.
• If you tap the app icon, the App info, Multi window, Pop-up
window and Pin app options appear.
3
The app appears in the form of a pop-up window on the screen.
• This feature may not be available in some apps or screens.

Custom-designed Features 25
Using the pop-up window
• : Minimises the pop-up window. The pop-up window is minimised
into the app icon floating on the screen, which can be moved anywhere
you want.
•
: Expands the app to full screen.
•
: Closes the app.
• You can open up to 5 apps using the pop-up windows.
• To select an app from the opened apps, tap one of the pop-up windows.
The selected pop-up window comes to the front.
• Pop-up windows cannot be moved to the status bar or navigation bar
area.
Using the app folder for pop-up windows
If you tap on the pop-up window, the pop-up window is minimised into
the app icon.
You can move the app icon anywhere you want by dragging it.
If two or more pop-up windows are minimised, the app folder is created to
contain the app icons.
• The recently-used app icon is used as the app folder icon. If you tab the
icon, all the icons for the minimised pop-up windows appear in the app
folder.
• If you touch and hold the app folder for pop-up windows and drag the
app folder into Remove, the app folder will be removed.
• To remove one of the apps from the app folder, open the app folder and
drag the app icon out of the app folder.

Custom-designed Features 26
Multi window
When using gesture navigation
1
Swipe up on from the bottom of the screen.
• Recently-used apps appear.
• If you tap the app icon, the App info, Multi window, Pop-up
window and Pin app options appear.
2
Tap the app icon on the top left of the app to be displayed in the
multiwindow and select Multi window.
• The selected app appears at the top half of the screen.
3
Tap the other app to be displayed in the multi window.
• The selected app appears at the bottom half of the screen.
When using Buttons only navigation
1
Tap on the navigation bar.
• Recently-used apps appear.
• If you tap the app icon, the App info, Multi window, Pop-up
window and Pin app options appear.
2
Tap the app icon on the top left of the app to be displayed in the
multiwindow and select
.
• The selected app appears at the top half of the screen.
3
Tap the other app to be displayed in the multi window.
• To adjust the size of the split screen, drag the bar on the centre of the
screen.
• To deactivate the multi window feature, drag the centre bar up or down
to the end of the screen.
• The multi window feature is not supported in some LG apps or apps
downloaded from the Play Store.

Basic Functions
02

Basic Functions 28
Product components and
accessories
The following items are included with your device.
• Device
• USB cable
• Ejection pin
• Charger
• Quick Start Guide
• The items described above may be optional.
• The items supplied with the device and any available accessories may
vary depending on the area and service provider.
• Always use genuine LG Electronics accessories. Using accessories made
by other manufacturers may affect your device's call performance or
cause malfunctions. This may not be covered by LG's repair service.
• Some of the device parts are made of tempered glass. If you drop your
device on a hard surface or subject it to severe impact, the tempered
glass may be damaged. If this happens, stop using your device
immediately and contact an LG Customer Service Centre.
• If any of these basic items are missing, contact the dealer from which
you purchased your device.
• To purchase additional items, contact an LG Customer Service Centre.
• Some items in the product box are subject to change without notice.
• The appearance and specifications of your device are subject to change
without prior notice for product improvement.
• Device specifications may vary depending on the area or service provider.
• Remove the protective film from the Fingerprint sensor before using the
fingerprint recognition feature.

Basic Functions 29
Parts overview
Earpiece
Front camera lens
Volume keys (+/-)
Google Assistant key
Stereo headset jack
Proximity/Ambient light
sensor
Power/Lock key
/Fingerprint sensor
Touch screen
Charger/USB cable port
Nano-SIM/
Memory card tray
NFC
Microphone
Flash
Microphone
Rear camera lenses
Speaker

Basic Functions 30
Do NOT attempt to remove the back cover by yourself.
• Doing so may severely damage the battery and device, which could
cause overheating, fire, and injury. This device’s back cover and battery
are not to be removed or replaced by a non-qualified professional.
• Your phone is an electronic device that generates heat during normal
operation. Extremely prolonged, direct skin contact in the absence of
adequate ventilation may result in discomfort or minor burns. Therefore,
use care when handling your phone during or immediately after
operation.
• Proximity/Ambient light sensor
- Proximity sensor: During a call, the proximity sensor turns off the
screen and disables touch functionality when the device is in close
proximity to the human body. It turns the screen back on and enables
touch functionality when the device is outside a specific range.
- Ambient light sensor: The ambient light sensor analyses the ambient
light intensity when the auto-brightness control mode is turned on.
• Volume keys
- Adjust the volume for ringtones, calls or notifications.
- While using the Camera, gently press a Volume key to take a photo.
To take continuous photos, press and hold the Volume key.
- Press the Volume Down key twice to launch the Camera app when
the screen is locked or turned off. Press the Volume Up key twice to
launch Capture+.
• Power/Lock key
- Briefly press the key when you want to turn the screen on or off.
- Press and hold the key when you want to select a power control
option.
• Google Assistant key
- You can short-press it once to run Google Assistant. You can press
and hold it to run Google Assistant and then release the finger from
the key to run the voice command function.
- See the
Google Assistant
for details.

Basic Functions 31
• Fingerprint sensor
- Turn on the fingerprint recognition feature to simplify the process
of unlocking the screen. See
Fingerprint recognition overview
for
details.
• Some functions may be restricted depending on the region and product
specifications of different telecommunications providers.
• There is the NFC chip built into the rear part of the product. Be careful
not to damage or cover the NFC chip.
• Do not put heavy objects on the device or sit on it. Failure to do so may
damage the touch screen.
• Screen-protective film or accessories may interfere with the proximity
sensor.
• If your device is wet or is being used in a humid place, the touch screen
or keys may not function properly.

Basic Functions 32
There are two microphones built into this product. Be careful not to cover
the microphones. While you are talking on the phone, do not cover the
microphone with your hand or fingers.
Do not use a phone case that is not a genuine product or cover the
microphone with accessories, tape, etc.
Hold the product correctly as shown in the image when you are using it.
Do not cover the microphone.
Do not cover the microphone.
Microphone
Microphone

Basic Functions 33
Turning the power on or off
Turning the power on
When the power is turned off, press and hold the Power/Lock key.
• When the device is turned on for the first time, initial configuration
takes place. The first booting time for the smart phone may be longer
than usual.
Turning the power off
Press and hold the Power/Lock key, then select Power off.
Restarting the device
When the device is not working properly or does not respond, restart it by
following the instructions below.
1
Press and hold the Power/Lock key and the Volume Down key at the
same time until the power is turned off.
2
When the device is restarted, release the key.
Power control options
Press and hold the Power/Lock key, then select an option.
• Power off: Turn the device off.
• Power off and restart: Restart the device.
• Emergency: Option for making Emergency calls when screen is
Locked/Unlocked.

Basic Functions 34
Installing the SIM card
Insert the SIM (Subscriber Identity Module) card provided by your service
provider to start using your device.
• Be careful with the ejection pin since it has a sharp edge.
• In order for the water-resistant and dust-resistant features to work
effectively, the card tray must be inserted correctly.
1
Insert the pin into the hole of the card tray and press the pin, and then
pull the card tray out of the product.
2
Align the Nano-SIM card or memory card on the card tray and press
the card in the direction of the arrow as shown in the figure.
3
Insert the card tray into the phone as shown in the figure.
Memory card
(optional-sold separately)
SIM card

Basic Functions 35
• This device supports only Nano SIM cards.
Nano Micro Standard
• For problem-free performance, it is recommended that you use the
device with the correct type of SIM card. Always use a factory-made
SIM card supplied by the operator.
• Do not lose your SIM card. LG is not responsible for damage and other
issues caused by loss or transfer of a SIM card.
• Be careful not to damage the SIM card when you insert or remove it.
• When you insert the SIM card or memory card, place it on the card tray
correctly.
• When you insert the card tray back into the device, insert it horizontally
in the direction of arrow as shown in the figure. Make sure that the card
placed on the card tray does not move out of its position.
• Insert the SIM card with the gold-coloured contacts facing downwards.
• Be sure to insert the SIM card into the device by following the
instructions in the user manual.
• If you insert or remove the card tray from the device, be careful not to
let water or other liquids enter into the card tray. If a wet card tray or
card is inserted into the device, your device may get damaged.
• Memory card is an optional item.
• Frequent writing and erasing of data may shorten the memory card
lifespan.
• Some memory cards may not be fully compatible with the device. If you
use an incompatible card, it may damage the device or the memory card,
or corrupt the data stored in it.

Basic Functions 36
Inserting the memory card
Insert the memory card into your device.
The device can support up to a 2 TB microSD card. Depending on the
memory card manufacturer and type, some memory card may not be
compatible with your device.
1
Insert the ejection pin into the hole on the card tray.
2
Pull out the card tray.
3
Put the memory card on the card tray with the gold-coloured contacts
facing downwards.
SIM card
Memory card
(optional-sold separately)
4
Insert the card tray back into the slot.
• Some memory cards may not be fully compatible with the device. If you
use an incompatible card, it may damage the device or the memory card,
or corrupt the data stored in it.
• Frequent writing and erasing of data may shorten the memory card
lifespan.

Basic Functions 37
Removing the memory card
Unmount the memory card before removing it for safety.
1
On the home screen, tap Settings Storage .
2
Insert the ejection pin into the hole in the card tray and then pull out
the card tray from the device.
3
Remove the memory card from the card tray.
4
Insert the card tray back into the slot.
• Do not remove the memory card while the device is transferring or
accessing information. This may cause data to be lost or corrupted, or
may damage the memory card or the device. LG is not responsible for
losses that result from the abuse or improper use of memory cards,
including the loss of data.
Battery
Charging the battery
Before using the device, fully charge the battery.
Charge the device with the USB Type-C cable.
Charging cable terminal

Basic Functions 38
• If there is moisture on the charging port, exposed terminals, charging
cable, charging adapter, etc., do not use or charge the product. The
product may malfunction or get broken or damaged, and there is risk
of injury caused by electric shock, fire, overheating, explosion, etc. If
you find moisture on such areas, stop using or charging the product
immediately and completely remove the moisture.
• Do not separate the battery cover.
This product uses a non-removable battery. Do not remove or replace
the battery cover or the battery. If you remove or replace the battery
cover or the battery, the product may be damaged, overheated or
explode.
• Only use the USB cable and charging adapter provided with the product
as basic components.
• Your device has an internal rechargeable battery. For your safety, do not
remove the embedded battery.
• Using the device when it is charging may cause electric shock. To use the
device, stop charging it.
• Remove the charger from the power socket after the device is fully
charged. This prevents unnecessary power consumption.
• Another way to charge the battery is by connecting a USB cable
between the device and a desktop or laptop computer. This may take
longer than plugging the adapter to a wall outlet.
• Do not charge the battery by using a USB hub that is unable to maintain
the rated voltage. Charging may fail or unintentionally stop.
• When you are visiting the Service Centre with a battery issue, bring the
product and the charger with you Since the battery is a consumable, the
battery life may be shortened as times goes by.

Basic Functions 39
Precautions when using the device
• Make sure to use the USB cable provided; do not use third party USB
cables or chargers with your device. The LG limited warranty does not
cover the use of third party accessories.
• Failure to follow the instructions in this guide and improper use may
damage the device.
• If the battery temperature exceeds a certain level while charging the
device, charging may be stopped.
• If magnetic, metallic or conductive materials are attached on the back
of the device or a protective case is inserted, the device may not charge
properly.
• LG Electronics is not responsible for any issues concerning accessories
of other brands. For such issues, contact the manufacturer of the
accessory product.
Using the battery efficiently
Battery lifespan may decrease if you keep many apps and functions
running simultaneously and continuously.
Cancel background operations to increase battery life.
To minimise battery consumption, follow these tips:
• Turn off the Bluetooth® or Wi-Fi network function when not using
them.
• Set the screen timeout to as short a time as possible.
• Minimise the screen brightness.
• Set a screen lock when the device is not used.
• Check the battery level while using any downloaded apps.

Basic Functions 40
Touch screen
You can familiarise yourself with how to control your device by using
touch screen gestures.
Tapping
Lightly tap with your fingertip to select or run an app or option.
Touching and holding
Touch and hold for several seconds to display a menu with available
options.

Basic Functions 41
Double-tapping
Tap twice quickly to zoom in or out on a web page or map.
Dragging
Touch and hold an item, such as an app or widget, then move your finger
to another location in a controlled motion. You can use this gesture to
move an item.
Swiping
Touch the screen with your finger and move it quickly without pausing.
You can use this gesture to scroll through a list, a web page, photos,
screens, and more.

Basic Functions 42
Pinching and spreading
Pinch two fingers to zoom out such as on a photo or map. To zoom in,
spread your fingers apart.
• Do not expose the touch screen to excessive physical shock. You might
damage the touch sensor.
• A touch screen failure may occur if you use the device near a magnetic,
metallic or conductive material.
• If you use the device under bright lights, such as direct sunlight, the
screen may not be visible, depending on your position. Use the device
in a shady location or a location with an ambient light that is not too
bright and bright enough to read books.
• Do not press the screen with excessive force.
• Gently tap with your fingertip on the option you want.
• Touch control may not work properly if you tap while wearing a glove or
by using the tip of your fingernail.
• Touch control may not work properly if the screen is moist or wet.
• The touch screen may not function properly if a screen-protective film
or accessory purchased from a third party store is attached to the
device.
• Displaying a static image for extended periods of time may result in
after-images or screen burn-in. Turn off the screen or avoid displaying
the same image for a long time when you do not use the device.

Basic Functions 43
Home screen
Home screen overview
The Home screen is the starting point for accessing various functions and
apps on your device. Swipe up from the bottom edge of any screen to
directly go to the Home screen.
You can manage all apps and widgets on the Home screen. Swipe the
screen left or right to view all installed apps at a glance.
Home screen layout
You can view all apps and organise widgets and folders on the Home
screen.
Quick access area
Navigation bar
Folder
Status bar
Weather widget
Page icon
Google Search widget
• The Home screen may differ depending on the manufacturer policy, user
settings, software version or service provider.

Basic Functions 44
• Status bar: View status icons, the time and the battery level.
• Weather widget: View the information of weather and time for a
specific area.
• Google Search widget: Type or speak to pull open Google Search.
• Folder: You can create folders to classify the app based on desired
criteria.
• Page icon: Display the total number of Home screen canvases. You
can tap the desired page icon to go to the page you selected. The icon
reflecting the current canvas will be highlighted.
• Quick access area: Fix main apps at the bottom of the screen so that
they can be accessed from any Home screen canvas.
• Navigation bar: You can go to the previous screen or home screen
while using the app, and check the list of apps you used recently.
Using Navigation bar
Here is the gestures guide to control the Navigation bar.
• To go to Home screen, swipe up from the bottom edge of the screen.
• To go back to the previous screen, swipe in from the left or right edge
of the screen.
• To go to Overview screen, swipe up and hold from the bottom edge of
the screen.
• To quickly switch between apps, swipe right at the bottom edge of the
screen to go to previously used apps.
• Gestures is the default for the Navigation bar. To change it to Buttons
only
/ /
, on the home screen, tap Settings Display
Navigation bar, then select Buttons only.

Basic Functions 45
Status icons
When there is a notification for an unread message, calendar event or
alarm, the status bar displays the corresponding notification icon. Check
your device’s status by viewing notification icons displayed on the status
bar.
No signal
Data is being transmitted over the network
Alarm is set
Vibrate mode is on
Bluetooth is on
Connected to a computer via USB
Battery level
Airplane mode is on
Missed calls
Wi-Fi is connected
Mute mode is on
GPS is on
Hotspot is on
No SIM card
The NFC mode is on
• Some of these icons may appear differently or may not appear at all,
depending on the device's status. Refer to the icons according to the
actual environment and area in which you are using the device and your
service provider.
• Displayed icons may vary, depending on the area or service provider.

Basic Functions 46
Notifications panel
You can open the notifications panel by dragging the status bar
downward on the main screen.
• You can drag down the notice window or tap the arrow icon to open
the list of quick setting icons.
• You can tap
to add, delete or arrange icons in the notice window.
• If you touch and hold the icon, the settings screen for the
corresponding function appears.
• You can use the notifications panel even on the lock screen. Drag the
notifications panel while the screen is locked to quickly access the
desired features.

Basic Functions 47
Switching the screen orientation
You can set the screen orientation to automatically switch according to
the device’s physical orientation.
On the notification panel, tap Rotation from the quick access icon list.
You can also tap Settings
Display and activate Auto-rotate screen on
the home screen.
Editing the Home screen
On the Home screen, touch and hold on an empty space, then select the
desired action from below.
• To rearrange the Home screen canvases, touch and hold on a canvas,
then drag it to another location.
• To add a widget to the Home screen, touch and hold on a blank area of
the Home screen, then select Widgets.
• To change wallpapers and themes, touch and hold on a blank area of
the Home screen, then select Wallpaper & theme.
You can also tap Settings
Wallpaper & theme on the home screen,
then select wallpapers and themes to apply to the device.

Basic Functions 48
• To change the grid, touch and hold on a blank area of the Home screen,
then select Grid. Tap the desired grid, then tap Apply.
• To configure the Home screen settings, touch and hold on a blank area
of the Home screen, then select Home screen settings. See
Home
screen settings
for details.
• To view or reinstall the uninstalled apps, touch and hold on a blank area
of the Home screen, then select App trash. See
App trash
for details.
• To change the default screen, touch and hold on a blank area of the
Home screen, move to desired screen, tap
, then tap the screen once
more.
Default screen

Basic Functions 49
Viewing the background theme
You can view only the background image by hiding the apps and widgets
on the Home screen.
Spread two fingers apart on the Home screen.
• To return to the original screen, which displays apps and widgets, pinch
your fingers on the Home screen or drag up
from the bottom edge
of the screen.
Moving apps on the Home screen
On the Home screen, touch and hold an app, then drag it to another
location.
• To keep frequently used apps at the bottom of the Home screen, touch
and hold an app, then drag it to the quick access area at the bottom.
• To remove an icon from the quick access area, drag the icon to the
Home screen.

Basic Functions 50
Using folders from the Home screen
Creating folders
On the Home screen, touch and hold an app, then drag it over another
app.
• A new folder is created and the apps are added to the folder.
Editing folders
On the Home screen, tap a folder and do one of the following actions.
• To edit the folder name tap the folder name.
• To edit the colour, tap the right upper circle.
• To add apps, touch and hold an app, then drag it over the folder and
release it.
• To remove an app from the folder, touch and hold the app and drag it to
outside the folder. If the removed app is the only one app that existed
in the folder, the folder is removed automatically.
• You can also add or remove apps after tapping
.
• You cannot change the folder colour while using downloaded theme.
Home screen settings
You can customise the Home screen settings.
1
On the home screen, tap Settings Display Home screen.
2
Customise the following settings:
• Select Home: Select a Home screen mode.
• Wallpaper: Change the Home screen background wallpaper.
• Screen swipe effect: Select an effect to apply when the Home
screen canvas switches.
• Icon shape: Choose if you want icons to have square or rounded
corners.

Basic Functions 51
• Google feed: Show to the left of the main Home screen.
• Sort apps by: Set how apps are sorted on the Home screen.
• Hide apps: Select which apps you want to hide from the Home
screen.
• Loop Home screen: Enable to allow continuous Home screen
scrolling (loop back to first screen after the last screen).
• Swipe down on the Home screen: Enable to search apps or
contents, or view notifications by swiping down on the home
screen.
• Home screen lock: Enable to prevent apps and widgets from being
rearranged or removed.
Screen lock
Screen lock overview
Your device’s screen turns off and locks itself if you press the Power/Lock
key. This also happens after the device is left idle for a specified period of
time.
If you press the Power/Lock key when a screen lock is not set, the Home
screen appears immediately.
To ensure security and prevent unwanted access to your device, set a
screen lock.
• A screen lock prevents unnecessary touch input on the device screen
and reduces battery consumption. We recommend that you activate the
screen lock while not using the device.

Basic Functions 52
Setting a screen lock
There are several options available for configuring the screen lock settings.
1
On the home screen, tap Settings Lock screen & security Select
screen lock and then select the method you prefer.
2
Customise the following settings:
• None: Deactivate the screen lock function.
• Swipe: Swipe on the screen to unlock the screen.
• Pattern: Draw a pattern to unlock the screen.
• PIN: Enter a numeric password to unlock the screen.
• Password: Enter an alphanumeric password to unlock the screen.
• Fingerprints: Unlock the screen by using your fingerprint.
Customise Lock screen
You can customise lock screen.
1
On the home screen, tap Settings Lock screen & security
Customize Lock screen.
2
Select a function you want to set.
• Wallpaper: Allow you to set the background for your Lock screen.
• Clock: Allow you to set the size of the clock on the Lock screen.
• Shortcuts: Allow you to choose apps to run on your Lock screen.
This setting appears only when a screen lock is set.
• Contact info for lost phone: Allow you to set text to be displayed
on the Lock screen to identify the phone’s owner.
Secure lock settings
You can set secure lock settings.
1
On the home screen, tap Settings Lock screen & security Secure
lock settings.
2
Select a function you want to set.

Basic Functions 53
• Make pattern visible (shown only when Pattern is set as a screen
lock): Turn on to make pattern visible.
• Lock timer: Allow you to set the amount of time before the screen
automatically locks after the backlight turns off (time-out due to
inactivity).
• Power key instantly locks: Enable this option to instantly lock the
screen when the Power/Lock key is pressed. This setting overrides
the Security Lock timer setting.
• Show lockdown option (shown only when a screen lock is set):
Enable this option to display the Lockdown icon when you press
and hold the Power/Lock button. Tap the Lockdown icon to turn off
Smart Lock, biometric unlocking, and notifications on the lock screen.
• Smart Lock: Allow you to set trusted devices, places, voice, and/or
on-body detection that will allow your phone to remain unlocked.
• Available menu options may vary depending on the lock screen method
selected.
KnockON
You can turn the screen on or off by double-tapping the screen.
• This option is available only on the Home screen provided by LG. It may
not function properly on a custom launcher or on the Home screen
installed by the user.
• When tapping the screen, use your fingertip. Do not use a fingernail.
• To use the KnockON feature, make sure that the proximity/light sensor
is not blocked by a sticker or any other foreign substance.
Turning the screen on
Double-tap the middle of the screen.
• Tapping the top or bottom of the screen may decrease the recognition
rate.

Basic Functions 54
Turning the screen off
Double-tap on an empty space on the Home screen and Lock screen.
You can also double-tap an empty space on the status bar.
Disable KnockON
If you don’t want to use the KnockON function, set as follows:
On the home screen, tap Settings
Extensions KnockON and drag it
to disable the function.
Memory card encryption
You can encrypt and protect data saved on the memory card. The
encrypted data in the memory card cannot be accessed from another
device.
1
On the home screen, tap Settings Lock screen & security
Encryption & credentials
Encrypt SD card.
2
Read the on-screen overview of memory card encryption and then tap
Continue to continue.
3
Select an option and tap Encrypt now.
• New data encryption: Encrypt only data that is saved on the
memory card after encryption.
• Full encryption: Encrypt all the data currently saved on the memory
card.
• Exclude media files: Encrypt all files, except for media files such as
music, photos and videos.

Basic Functions 55
• Once memory card encryption starts, some functions are not available.
• If the device is turned off while encryption is underway, the encryption
process will fail, and some data may be damaged. Therefore, be sure to
check if the battery level is sufficient before starting encryption.
• Encrypted files are accessible only from the device where the files were
encrypted.
• The encrypted memory card cannot be used on another LG device. To
use the encrypted memory card on another mobile device, format the
card.
• You can activate memory card encryption even when no memory card
is installed into the device. Any memory card that is installed after
encryption will automatically be encrypted.
Taking screenshots
You can take screenshots of the current screen you are viewing.
Via a shortcut
Press and hold the Power/Lock key and the Volume Down key at the
same time for at least two seconds.
• Screenshots can be viewed from the Screenshots folder in the
Gallery.
Via Screenshot
On the screen where you want to take a screenshot, drag the status bar
downwards, then tap
.
• See
Writing notes on a screenshot
for details.

Basic Functions 56
Content sharing
Playing content from another device
You can play photos, videos or songs saved on your device from a TV.
1
Connect the TV and your device to the same Wi-Fi network.
2
While viewing the items in the Gallery or Music app, tap Play on
other device.
3
Select the TV you want to connect to.
• For use with Chromecast, Google Play services should be up to date.
Viewing content from nearby devices
You can view content from various devices, such as a computer, NAS or
mobile device, by using the Gallery or Music apps.
Connecting the devices
Connect both your device and another device that support DLNA function
to the same wireless network.
• Make sure that File sharing (DLNA) is activated on both the device and
the connected device.
Searching for nearby devices
You can view a list of DLNA devices on the same network by selecting the
Nearby devices menu in each app.
Use content from nearby devices as if you were using it on your device.

Basic Functions 57
Sending or receiving files
You can share files between your device and another LG device, or a tablet.
Sending files
From the Gallery or other apps, tap Share or , then select a device
on the file sharing list.
Receiving files
Drag the status bar downward and then tap File sharing.
If your device does not support the file sharing feature, on the home
screen, tap Settings
Connected devices File sharing SmartShare
Beam
.
• Make sure that your device is connected to the same wireless network
as the file transfer target device.
• Make sure that File sharing is activated on both devices.
Do not disturb
You can limit or mute notifications to avoid disturbances for a specific
period of time.
On the home screen, tap Settings
Sound Do not disturb.
• Mode and select the mode you want:
- Priority only: Receive sound or vibrate notifications for the selected
apps. Even when Priority only is turned on, alarms still sound.
- Total silence: Disable both the sound and vibration.
• Select priorities: Receive alarms and the notifications for the selected
apps.
- Calls from: Set up a range of notifications when receiving a call.
• Repeated calls: Second call from the same caller within 15 min is not
silenced.

Basic Functions 58
- Messages from: Set up a range of notifications when receiving a
message.
• Use Do not disturb: Turn on the Do not disturb feature.
• Sleeping: Set the schedule for which you want to turn on the Do not
disturb feature.
• Help: View the help for Do not disturb.

Useful Apps
03

Useful Apps 60
Installing and uninstalling apps
Installing apps
Access an app store to search and download apps.
• You can use SmartWorld, Play Store or the app store provided by your
service provider.
• Some app stores may require you to create an account and sign in.
• Some apps may charge fees.
• If you use mobile data, you may be charged for data usage, depending
on your pricing plan.
• SmartWorld may not be supported depending on the area or service
provider.
Uninstalling apps
Uninstall apps that you no longer use from your device.
Uninstalling with the touch and hold gesture
Press and hold any empty area on the screen, and then press of the
app you want to delete.
Uninstalling by using the settings menu
On the home screen, tap Settings Apps App info, select an app, then
tap Uninstall.
• Some apps cannot be uninstalled by users.
Uninstalling apps from the app store
To uninstall an app, access the app store from which you download the
app and uninstall it.

Useful Apps 61
Installing and uninstalling apps during the
setup
When you turn on the device for the first time, you can download
recommended apps.
You can skip to the next step without installation.
App trash
You can view the uninstalled apps. You can also reinstall apps which were
uninstalled within 24 hours from now.
1
On the home screen, tap Management App trash.
You can also touch and hold an empty area of the Home screen, then
tap App trash.
2
Activate the desired function:
• Restore: Reinstall the selected app.
•
: Remove the uninstalled apps permanently from the device.
• Uninstalled apps are automatically removed from the device 24 hours
after they were uninstalled. If you want to reinstall the uninstalled apps,
you must download them again from the app store.
• This feature is activated on the default Home screen only. If you
uninstall apps while using the EasyHome screen or other launcher, they
are immediately and permanently removed from the device.
App Shortcuts
On the Home screen, touch and hold an app icon such as Call, Message,
Camera, Gallery and Settings to display a quick access menu. Use apps
more easily through App Shortcuts.
• Tap
to set the widgets for the app.
• Tap to check the app information.

Useful Apps 62
• This feature is available only on some apps.
Phone
Voice call
Make a phone call by using one of the available methods, such as manually
entering a phone number and making a call from the contact list or the
list of recent calls.
Making a call from the keypad
1
On the home screen, tap Dial.
2
Make a call by using a method of your choice:
• Enter a phone number and tap
.
• Touch and hold a speed dial number.
• Search for a contact by tapping the initial letter of a contact name
in the contact list, and then tap
.

Useful Apps 63
• To enter "+" when making an international call, touch and hold number
0.
• See
Adding contacts
for details on how to add phone numbers to the
speed dial list.
Making Calls from Contacts
1
On the home screen, tap Contacts.
2
After selecting the number you want to call from the list of contacts,
tap
.
Answering a call
To answer a call, drag on the incoming call screen.
• When the stereo headset is connected, you can make calls by using the
call/end button on the headset.
• To end a call without turning off the screen, on the home screen, tap
Settings
Network & internet Call Answer and end calls and
then activate End call with the Power key.
• On the home screen, tap Settings Network & internet Call
Answer and end calls
End call with the Power key, you can end a
call by pressing the Lock/Power key while the call-in-process screen is
turned on.
Rejecting a call
To reject an incoming call, drag across the incoming call screen.
• To send a rejection message, drag the rejection message option
across the screen.
• To add or edit a rejection message, on the home screen, tap Settings
Network & internet
Call Call blocking & Decline with message.
• When a call is coming in, press the Volume Up, Volume Down or Power/
Lock key to mute ringtone or vibration, or to hold the call.

Useful Apps 64
Checking an incoming call while using an app
When a call comes in while using an app, a pop-up notification can be
displayed at the top of the screen. You can receive the call, reject the call,
or send message from the pop-up screen.
• On the home screen, tap Settings Network & internet Call
Additional settings Incoming voice call pop-up and then select the
desired way you would like to display the incoming call while using an
app.
Viewing missed calls
If there is a missed call, the status bar at the top of the screen displays .
To view missed call details, drag the status bar downwards. You can also
tap
Call logs on the home screen.
Functions accessible during a call
During a call, you can access a variety of functions by tapping the
on-screen buttons:
• Contacts: View the contact list during a call.
• Hold: Place the current call on hold.
• Dialpad: Display or hide the dial pad.
• Speaker: Turn on the speakerphone function.
• Mute: Mute your voice so that your voice cannot be heard by the other
party.
• Bluetooth: Switch the call to a Bluetooth device that is paired and
connected.
•
: End a call.
• : Access additional call options.
• Available settings items may vary depending on the area or service
provider.

Useful Apps 65
Making a three-way calling
You can make a call to another contact during a call.
1
During a call, tap Add call.
2
Enter a phone number and tap .
• The two calls are displayed on the screen at the same time, and the
first call is put on hold.
3
To start a conference call, tap Merge calls.
• You may be charged a fee for each call. Consult with your service
provider for more information.
Viewing call records
To view recent call records, on the home screen, tap Call logs. Then,
you can use the following functions:
• To view detailed call records, select a contact. To make a call to the
selected contact, tap
.
• To delete call records, tap Delete.
• The displayed call duration may differ from the call charge. Consult with
your service provider for more information.
• The deleted call history can not be restored.
• Pinch two fingers or spread your fingers apart to adjust the font size of
call logs or contacts.
Configuring call options
You can configure various call options.
1
On the home screen, tap Dial or Call logs.
2
Tap Call settings and then configure the options to suit your
preferences.

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Messaging
Sending a message
You can create and send messages to your contacts using the Messaging
app.
• Sending messages abroad may incur additional charges. Consult with
your service provider for more information.
1
On the home screen, tap .
2
Tap .
3
Specify a recipient and create a message.
• To use multimedia options, tap
.
• To access optional menu items, tap .
4
Tap to send the message.
Reading a message
You can view exchanged messages organised by contact.
1
On the home screen, tap .
2
Select a contact from the message list.
Configuring messaging settings
You can change messaging settings to suit your preferences.
1
On the home screen, tap .
2
Tap Settings from the message list.
• You can designate settings for the notice window, blocking calls, disaster
alert, multimedia messages, etc.

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Camera
Starting the camera
You can take a photo or record a video to cherish all of your memorable
moments.
On the home screen, tap
.
• Before taking a photo or recording a video, wipe the camera lens with a
soft cloth.
• Be careful not to stain the camera lens with your fingers or other
foreign substance.
• Images included in this user guide may be different from the actual
device.
• Photos and videos can be viewed or edited from the Gallery. See
Gallery
overview
for details.
• Refrain from using the product for a purpose that may violate someone
else’s privacy or rights.
Taking a photo
You can take photos with the camera in the product.
1
Tap and focus on the subject.
• You can touch the subject to focus on.
• You may spread or pinch two fingers to zoom in or out.
2
Tap to take a photo.
• You can also press the Volume Down or Volume Up key to take a
photo.
• You can take a photo while recording a video by pressing
on the
screen.
• The options displayed on the shooting screen may differ depending
on the selected camera (front or rear) and camera mode.
• The camera will turn off automatically if you do not use it for a while
after running the Camera app.

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Set timer setting
Set flash setting
Apply filter effect
Set camera aspect ratio
Set camera
Switch to front-facing/
rear-facing camera
Start Google Lens.
Select zoom
Current camera mode
Take photo
Preview
• You can run the camera app by short-pressing the power key twice. On
the home screen, tap Settings
Extensions Shortcuts and then tap
Open Camera to activate it.
• When the screen is turned off or locked, start the camera by pressing
the Volume Down key twice.
• On the home screen, tap Settings
Extensions Shortcuts and then
tap Open Camera
to activate it.
Customising the camera options
You can customise a variety of camera options to suit your preferences.
Tap
on the screen.
• Available options vary depending on the selected camera (front or rear
camera) and the selected camera mode.
Photo size Select values for aspect ratio and size for taking photos.
HDR
Obtain photos in vivid colours and get compensated effects
even when they are taken against the light. These functions
are provided by the high dynamic range (HDR) technology
equipped in the camera.
Grid
Display guide grids so that you can take photos or record
videos based on the horizontal and vertical reference lines.

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Cheese shutter
Allows you to take a photo by saying ‘Cheese’, ‘Smile’,
‘Whiskey’, ‘Kimchi’, or ‘LG’.
Tag locations Save the image with GPS location data.
Storage
Select if you want to store the pictures and videos in the
Internal storage or SD card. (Available when a memory card
is inserted.)
Help Provide Help for each camera menu.
Additional options on the front camera
Save as flipped Saves as flipped images when taking a selfie.
Selfie shot
Take a selfie by selecting its option between Gesture shot
and Auto shot.
• You can apply the make-up effect when taking a selfie using the front
camera.
• Gesture shot is taken by recognizing the shape of a hand and Auto
shot is taken by recognizing a face.
Mode Selection
You can conveniently select from the modes displayed on the screen
which are selected to suit the shooting environment.
Tap
and swipe the camera modes left or right, or swipe the screen left
or right to select a camera mode.

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Camera modes
Using camera modes
Recording a video
1
Tap and select Video by swiping camera modes.
2
Tap to record a video.
Select zoom
Recording a video
Switch to front-facing/
rear-facing camera
Preview
Set flash setting
Apply filter effect
Set camera
Set video resolution

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• To take a photo while recording a video, tap .
• To pause the video recording, tap . To resume the video recording,
tap .
• While recording a video, you may spread or pinch two fingers to
zoom in or out.
• While recording a video, you may tap the desired area to adjust the
brightness.
3
Tap to end the video recording.
Taking a photo
Tap and select Photo by swiping camera modes.
See
Taking a photo
for more details.
Taking a photo with the AI feature
When taking a photo, the AI feature recognises a subject and applies the
optimum effect to the photo.
• Tap to deactivate the AI feature.
Using additional camera modes
Tap and select More by swiping camera modes.
Macro
You can take a close-up of a subject.
1
Tap , then tap More .
2
Tap to take a photo.
Flash Jump-Cut
Photos taken at a regular interval are saved as GIF files.
1
Tap , then tap More .
2
Tap to take a photo.

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• Photos are taken every 3 seconds and saved as a GIF file.
• Tap
on the screen to select the number of photos you want to
take.
• While taking photos, tap
to create GIF files with previously taken
photos.
• The flash automatically turns on to act as a timer.
• The shots taken this time and the total number of shots are displayed
at the bottom of the screen.
• All taken photos are saved as GIF files only.
• You may not change the GIF speed nor image order.
YouTube Live
You can record a video and directly upload to YouTube.
To use this feature, you must meet the eligibility requirements. Contact
YouTube for the requirements.
1
On the home screen, tap .
2
Select More by swiping camera modes, then tap .
• YouTube Live is available only when your device is connected to the
Internet. If you use mobile data, you may be charged for data usage,
depending on your pricing plan.

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Useful camera features
Google Lens
You can get more information or take action on items around you using
Google Lens, like landmarks, posters, restaurant menus, animals, flowers,
or barcodes, directly in the device.
Auto-Exposure/Auto-Focus lock
You can fix the current exposure level and focus position by touching and
holding the screen in the Auto mode. To turn off the feature, tap a blank
area on the screen.
Auto-Exposure/
Auto-Focus lock
• This feature is available only in specific modes.

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Switching between cameras
You can switch between the front and rear cameras to suit your
environment.
• To switch between the front and rear cameras, swipe the screen up or
down on the shooting screen in the Camera app.
• Use the front camera to take selfies. See
Selfie shot
for details.
Zoom in or out
You may spread or pinch two fingers to zoom in or out when you take
photos or videos.
• Zoom in/out function is not available in the selfie mode (front camera).
• This function is not supported in a number of modes.

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Using the Burst Shot
You can take consecutive photos and view them as moving pictures in the
Gallery.
1
Tap and select Photo.
2
Tap and hold .
• Multiple, consecutive photos are taken while you are holding down
.
Gesture shot
You can take selfies by using gestures.
Show your palm to the front camera and then clench your fist.
You can also clench your fist and then open it towards the front camera.
• In three seconds, a photo is taken.
• To use this feature, switch to the front camera mode, then tap
Selfie shot Gesture shot.
• Make sure that your palm and fist are within the reference line so that
the camera can detect them.
• This feature may not be available while using some of the camera
features.

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Auto shot
You can use the face detection feature to take selfies easily and
conveniently. You can set the device so that, when you look at the screen,
the front camera detects your face and takes a selfie automatically.
• The white coloured guide frame appears when the front camera
detects your face. If the subject within the guide frame stops moving,
the guide frame colour turns yellow, then the camera takes a photo.
• Tap Selfie shot Auto shot to enable the Auto shot feature.
Interval shot
You can take selfies at an interval.
While using the front camera, you can show your palm to the camera,
then clench your fist twice quickly.
• Four photos are taken at regular intervals after a timer delay of three
seconds.
Save as flipped
Before taking a photo with the front camera, tap Save as flipped.
The image is flipped horizontally.
• When using the front camera, you can change how selfies are taken in
the camera options. See
Customising the camera options
for details.
Selfie shot
You can use the front camera to view your face on the screen and take selfies.
1
Tap and select Photo by swiping camera modes.
2
Tap to switch to the front camera.
3
Tap to take photos.
• Tap to apply various beauty effects.

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Gallery
Gallery overview
You can view and manage photos and videos saved on your device.
Viewing photos
You can view the photos saved to the product.
1
Tap and select a desired folder.
2
Tap a desired photo.
• The Gallery folder contains Photos, Albums and Play.
Access additional options.
Start Google Lens.
Back to the previous
screen.
Delete images
Share images
Add to or remove from
your favourites
Edit images
Preview gallery
• Details menu appears when the screen is lightly touched. Touching the
screen once again makes the menu disappear.

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Playing a video
You can view the videos saved to the product.
Pause or play the
video
Access additional
options
Back to the
previous screen
Delete images
Share images
Add to or remove from
your favourites
Edit images
Preview gallery
• To adjust the sound volume, drag the right side of the video screen up
or down.
• To adjust the screen brightness, drag the left side of the screen up or
down.
• Dragging the screen to the left on the video play screen allows you to
rewind (REW) and dragging to the right allows you to fast forward (FF).

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Deleting files
You can delete files by using one of the following options:
• Touch and hold a file from the file list, then tap Delete.
• Deleted files are automatically moved to
Trash and they can be
restored to the Gallery within 7 days.
• Tap
to completely delete the files. In this case, the files cannot be
restored.
Sharing files
You can share files by using one of the following options:
• While viewing photo or video, tap
to share the file by using the
method you want.
• If you take photos or videos after you tap Tag locations
, the location-specific memories album is automatically created after a
certain time under the Memories tab of Gallery.
• Some file formats may not be supported, depending on the installed
software.
• Some files may not be opened due to encoding.
• Files that exceed the size limit may cause an error.
• You need to activate the GPS feature to create Memory albums.
Creating a movie
You can create a new movie by putting images and videos together.
1
Tap and select Create movie.
2
Select images or videos for your movie and tap Create movie.
3
Edit the selected images and videos and then tap Save.

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Resetting files
Previewing a file
Deleting files
Adding files
• A maximum of 50 videos can be used to create a movie.
Making a GIF
You can easily make a GIF file using recorded video.
Tap
and select Create GIF.
Creating video
1
At the desired starting point while watching a video, tap .
2
Select the length of the GIF you want to create.
• GIF is generated for the time selected from the specified starting
point.
• For videos that are less than 5 seconds, GIF images are
automatically generated for the remaining time.

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Creating GIF Photographs
1
In the photograph list in the Gallery, tap Create GIF.
2
Select a picture to turn into a GIF photograph, and then tap Create
GIF.
• You can add/delete a photograph, adjust the speed or screen ratio,
and set the photograph order.
• Creating GIF photographs is a function provided for the user to produce
creative images. Violating rights such as intellectual property right
or defaming the reputation of another person by using the creating
GIF photographs function may lead to a civil or criminal liability in
accordance with the related laws. Be cautious not to copy or transmit
another person’s work without authorization. LG Electronics is not liable
in any way for such acts by users.
• You can select up to 100 photographs to produce when you create a
GIF.
Contacts
Contacts overview
You can save and manage contacts.
On the home screen, tap Essentials
Contacts.
Adding contacts
Adding new contacts
1
On the contact list screen, tap .
• A pop-up appears for selecting the saving location for contact.
Select the location you want.
2
Enter contact details and tap Save.

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Importing contacts
You can import contacts from another storage device.
1
On the contact list screen, tap Manage contacts Import.
2
Select the source and target locations of the contact you want to
import, and then tap OK.
3
Select the contacts and tap Import.
Adding contacts to the speed dial list
1
On the contact list screen, tap Speed dial.
2
Tap Add contact from a speed dial number.
3
Select a contact.
• While adding a new contact, tap to add a speed dial number.
Searching for contacts
You can search for contacts by using one of the following options:
• Tap the search bar at the top of the Contacts screen and enter the
desired contact or phone number you want to search for.
• Scroll the contact list up or down.
• From the index of the contact list screen, tap the initial letter of a
contact.
• Pressing the search bar at the top of the Contacts screen and entering
a contact or phone number brings up the integrated search results from
the call history and contacts list saved onto the product.

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Contacts list
Editing contacts
1
On the contact list screen, select a contact.
2
On the contact detail screen, tap and edit details.
3
Tap Save to save changes.
Deleting contacts
You can delete contacts by using one of the following options:
• On the contact list screen, touch and hold a contact you want to
delete, then tap
.
• Tap Delete on the contact list screen.
• Deleted contacts may not be restored.
Adding favourites
You can register frequently used contacts as favourites.
1
On the contact list screen, select a contact.
2
On the contact detail screen, tap .
Creating groups
1
On the contacts group list, tap .
2
Enter a new group name.
3
Tap Add members, select contacts, then tap Add.
4
Tap Save to save the new group.

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QuickMemo+
QuickMemo+ overview
You can make creative notes by using a variety of options on this
advanced notepad feature, such as image management and screenshots,
which are not supported by the conventional notepad.
This device supports the Active Pen AES2.0 (Active Electrostatic).
Creating a note
1
On the home screen, tap Essentials QuickMemo+.
2
Tap to create a note.
• : Save a note.
• : Undo the previous edit.
• : Redo the recently deleted edits.
• : Enter a note by using the keypad.
• : Save your favorite pen types.
• : Write notes by hand.
• : Erase handwritten notes.
• : Access additional options.
3
Tap to save the note.
Writing notes on a screenshot
1
While viewing the screen you want to capture, drag the status bar
downwards and then tap
.
• The screen is captured and displayed as a thumbnail on the right
bottom of the screen.
2
To write notes on the screen, tap .
3
Write notes using the tools.
•
: Zoom in or out, or adjust the area to capture.
•
: Write notes by hand.

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• : Erase handwritten notes.
• : Undo the previous edit.
• : Redo the recently deleted edits.
• : Crop the screen as you desire.
4
Tap and save the notes.
• Saved notes can be viewed in Gallery.
Additional features after capturing a screenshot
Tap to capture entire
screen by using the scroll
capture feature.
Tap to delete the captured
screen shot.
Tap to write notes on the
captured screen.
Tap to share the captured
screen shot.
• You can capture the entire screen by using the scroll capture feature.
• While using an app such as Messaging and Chrome, drag the
notifications panel downwards and then tap
. Then, tap to
capture the entire screen you are currently viewing as a single file.
• This feature is available only on some apps that support the scroll
capture feature.
• Pinch two fingers or spread your fingers apart to change the memo
layout.

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Clock
Alarm
You can set an alarm to trigger it at a specified time.
1
On the home screen, tap Essentials Clock Alarm.
2
Tap to add a new alarm.
3
Configure the alarm settings and tap Save.
• If you select a previously set alarm, you can edit the alarm.
• To delete an alarm, tap
Delete at the top of the screen. You can also
touch and hold the alarm.
World clock
You can view the current time in cities around the world.
1
On the home screen, tap Essentials Clock World clock.
2
Tap and add a city.
Timer
You can set the timer to trigger an alarm after a specified period of time.
1
On the home screen, tap Essentials Clock Timer.
2
Set the time and tap Start.
• To suspend the timer, tap Pause. To resume the timer, tap Resume.
3
Tap Stop to stop the timer alarm.
Stopwatch
You can use the stopwatch to record a lap time.
1
On the home screen, tap Essentials Clock Stopwatch.
2
Tap Start to initiate the stopwatch.

Useful Apps 87
• To record a lap time, tap Lap.
3
Tap Pause to suspend the stopwatch.
• To resume the stopwatch, tap Resume.
• To clear all the records and restart the stopwatch, tap Reset.
Calculator
You can use two types of calculators: the simple calculator and the
scientific calculator.
1
On the home screen, tap Essentials Calculator.
2
Use the keypad to make a calculation.
• If you want to calculate from the beginning, tap and hold
.
Music
You can play and manage songs or music albums.
1
On the home screen, tap Essentials Music.
2
Select a category.
3
Select a music file.

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Play in random order. Select a repeat mode.
Tap to play the next file /
Touch and hold to fast
forward.
Tap to play from the
beginning of the current
file / Double-tap to play
the previous file / Touch
and hold to rewind.
Add to or delete from your
favourites.
Adjust the sound volume.
Set sound effects.
Turn on/off Flash Light.
Back to the previous
screen.
Pause or play.
Access additional options.
Go to Now playing list.
• Some file formats may not be supported, depending on the installed
software.
• Files that exceed the size limit may cause an error.
• Music files may be protected by international copyright owners or
copyright laws. You may have to obtain legal permission before copying
a music file. To download or copy a music file, first check the copyright
law for the relevant country.
• This model supports Hi-Fi audio playback. Hi-Fi audio files display the
Hi-Fi icon.
• If you set the flashlight, flashlight blinks to fit the music being played.
ThinQ
You can easily connect the product with IoT appliances to monitor and
conveniently use the appliances.
On the home screen, tap Essentials
ThinQ.

Useful Apps 89
• Washing machine, dryer, styler, dishwasher, oven, and robot cleaner can
only be registered when the product is in the standby mode.
• Look for the ThinQ mark on the product to see if it can be connected to
ThinQ app.
• Tap
to check various function of the ThinQ app.
Audio Recorder
You can record and save your voice or others’ voices from important
events. Recorded voice files can be played back or shared.
1
On the home screen, tap Essentials Audio Recorder.
2
Tap .
• To pause recording, tap .
3
Tap to end the recording.
• The file is saved automatically and the recorded files screen appears.
4
Tap to play the recorded voice.
• Tap to view the recorded files. You can play a recorded voice file from
the list.
Game Launcher
You can set whether to use the game launcher where you can view the
list of games installed on the product and select game settings such as
muting media volume, limiting alerts, etc.
1
On the home screen, tap Game Launcher.
2
Select the desired option.

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Smart Doctor
You can use Smart Doctor to diagnose the device’s condition and optimise
it.
On the home screen, tap Management
Smart Doctor.
LG Mobile Switch
Easily transfer data from a used device to a new device via LG Mobile
Switch.
1
On the home screen, tap Management LG Mobile Switch.
You can also tap Settings
System Backup LG Mobile Switch.
• If the app is not installed on the product, download and install the
LG Mobile Switch app from the Google Play Store.
2
Follow the on-screen instructions to select a desired method for
transfer.
• Data in a Google Account will not be backed up. When you synchronise
your Google Account, Google apps, Google contacts, Google Calendar,
Google memo app data and apps downloaded from the Play Store are
stored on the Drive app automatically.
• Fully charge the battery before transferring data to avoid unintentional
powering off during the process.
App trash
You can see the list of apps deleted on the home screen. The app that was
deleted within the last 24 hours can be recovered.
On the home screen, tap Management
App trash.
For more details, refer to
App trash
.

Useful Apps 91
RemoteCall Service
Your device can be remotely diagnosed for resolving issues. First, make a
phone call to an LG Customer Service Centre as follows:
• To use this function, first you must agree to usage of the function.
• If you use mobile data, you may be charged for data usage depending
on your pricing plan.
1
On the home screen, tap Services RemoteCall Service.
2
Connect a call to an LG Customer Service Centre.
3
After the call connects, follow the service associate’s instructions to
enter a six-digit access number.
• Your device is remotely connected and the remote support service
starts.
Cell Broadcast
You can view real-time text broadcasts on emergency situations, such as
typhoons, floods and earthquakes.
On the home screen, tap Services
Cell Broadcast.
Google apps
You can use Google apps by setting a Google Account. The Google
Account registration window appears automatically when you use a
Google app for the first time. If you do not have a Google Account, create
one from your device. For details on how to use an app, see the Help in
the app.
• Some apps may not work depending on the area or service provider.

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Calendar
The Calendar app allows you to track your schedule of events (that you
created), organised by Day, 3-day, Week or Month.
Chrome
A fast, simple, and secure web browser, built for the modern web.
Docs
Docs is a collaborative, word-processing tool that powers productivity. Use
Docs to create, edit and work together in real-time.
Drive
Drive is a file storage and sharing app that makes it easy to find, share and
collaborate on work projects from anywhere, instantly.
Gmail
Gmail is an easy to use mail app that keeps your messages safe, makes
your inbox smarter, and helps you stay organised.
Google
The Google app keeps you in the know about the things you care about.
Find quick answers, explore your interests, and get a feed of stories and
updates on topics that matter to you.
Maps
Going somewhere? Go with Maps, the app you can rely on for real-time
GPS navigation, traffic, transit, and details about millions of places, such as
reviews and popular times.
Photos
Home for all your photos and videos, automatically organised so you can
share and save what matters.

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Play Movies & TV
Use your Google Account to rent or purchase movies. Purchase content
and play it anywhere.
YT Music
A new music streaming service from YouTube.
Sheets
Sheets is a collaborative spreadsheet processing tool that powers
productivity. Use Sheets to import, organise and analyse information
together in real-time.
Slides
Google Slides is a collaborative presentation creation tool that powers
productivity. Use Slides to organise information, present results, and make
decisions together in real-time.
YouTube
Watch your favourite channels, listen to music you love, and upload videos
to share with people around the world.
Assistant
Your device has the Google Assistant built-in. Find answers and get things
done while on-the-go. To get started, just tap the Google Assistant key
on the side of the phone or touch and hold the home button of the phone.
• The Google Assistant is not available in certain languages and countries.
Files
You can view and manage files saved on your device.

Settings
04

Settings 95
Settings
You can customise the device settings in accordance with your
preferences.
On the home screen, tap Settings.
• If you enter a keyword on the search window at the top of the screen,
you can conveniently run the items that need to be set.
Network & internet
Wi-Fi
You can connect to nearby devices over a Wi-Fi network.
Connecting to a Wi-Fi network
1
On the settings screen, tap Network & internet Wi-Fi.
2
Tap to activate it.
• Available Wi-Fi networks appear automatically.
3
Select a network.
• You may need to enter the network’s Wi-Fi password.
• The device skips this process for previously accessed Wi-Fi
networks. If you do not want to automatically connect to a certain
Wi-Fi network, tap the network and then tap Forget.
Wi-Fi network settings
On the settings screen, tap Network & internet Wi-Fi.
• Switch to mobile data: If the mobile data connection function is
activated but the device cannot connect to the Internet via Wi-Fi
connection, the device automatically connects to the Internet via the
mobile data connection.

Settings 96
• This feature depends on the service provider.
• : Customise Wi-Fi network settings.
Wi-Fi Direct
You can connect your device to other devices that support Wi-Fi Direct to
share data directly with them. You do not need an access point. You can
connect with more than two devices by using Wi-Fi Direct.
1
On the settings screen, tap Network & internet Wi-Fi
Advanced Wi-Fi
Wi-Fi Direct.
• Nearby devices that support Wi-Fi Direct automatically appear.
2
Select a device.
• Connection occurs when the device accepts the connection request.
• The battery may drain faster when using Wi-Fi Direct.
Mobile data
You can turn mobile data on and off. You can also manage mobile data
usage.
Turning on mobile data
1
On the settings screen, tap Network & internet Mobile data.
2
Tap to activate it.
Customising mobile data settings
1
On the settings screen, tap Network & internet Mobile data.
2
Customise the following settings:
• Mobile data: Set to use data connections on mobile networks.
• Limit mobile data usage: Set a limit for mobile data usage to block
mobile data if the limit is reached.

Settings 97
• : Customise mobile data settings.
• Data usage volume is measured based on the product, and the
volume calculated by your mobile provider may be different.
Call
You can customise call settings, such as voice call and international call
options.
• Some features may not be supported depending on the area or service
provider.
1
On the settings screen, tap Network & internet Call.
2
Customise the settings.
Tethering
USB tethering
You can connect the device to another device via USB and share mobile
data.
1
Connect your device and other devices via USB cable.
2
On the settings screen, tap Network & internet Tethering USB
tethering and then tap
to activate it.
• This option uses mobile data and may incur data usage fees, depending
on your pricing plan. Consult with your service provider for more
information.
• When connecting to a computer, download the USB driver from
www.lg.com
and install it on the computer.
• You cannot send or receive files between your device and a computer
while USB tethering is turned on. Turn off USB tethering to send or
receive files.
• Operating systems that support tethering are Window XP or higher, or
Linux.

Settings 98
Wi-Fi hotspot
You can set the device as a wireless router so that other devices can
connect to the Internet by using your device’s mobile data.
1
On the settings screen, tap Network & internet Tethering Wi-Fi
hotspot and then tap
to activate it.
2
Tap Set up Wi-Fi hotspot, and enter the Wi-Fi name (SSID) and
password.
3
Turn on Wi-Fi on the other device, and select the name of the device
network on the Wi-Fi list.
4
Enter the network password.
• This option uses mobile data and may incur data usage fees, depending
on your pricing plan. Consult with your service provider for more
information.
• More information is available at this web site:
http://www.android.com/tether#wifi
Wi-Fi hotspot turn off timer
When the Wi-Fi hotspot has not been used for a specific period of time,
it is automatically disconnected. You can set the time for automatic
disconnection.
Bluetooth tethering
A Bluetooth-connected device can connect to the Internet by using your
device’s mobile data.
1
On the settings screen, tap Network & internet Tethering
Bluetooth tethering and then tap
to activate it.
2
Turn on Bluetooth on both devices and pair them.

Settings 99
• This option uses mobile data and may incur data usage fees, depending
on your pricing plan. Consult with your service provider for more
information.
• More information is available at this web site:
http://www.android.com/tether#Bluetooth_tethering
Help
You can view help on using tethering and hotspots.
On the settings screen, tap Network & internet
Tethering Help.
Airplane mode
You can turn off the call and mobile data functions. When this mode is
on, functions that do not involve data, such as games and music playback,
remain available.
1
On the settings screen, tap Network & internet Airplane mode.
2
Tap to activate it.
Mobile networks
You can customise the mobile networks settings.
1
On the settings screen, tap Network & internet Mobile networks.
2
Customise the following settings:
• Data roaming: Browse the web, use emails, multimedia messages
and other data services overseas.
• Network mode: Select a network type.
• Access Point Names: View or change the access point for using
mobile data services. To change the access point, select a choice
from the access point list.
• Network operators: Search for network operators and connect
automatically to a network.

Settings 100
VPN
You can connect to a safe virtual network, such as an intranet. You can
also manage connected virtual private networks.
Adding VPN
1
On the settings screen, tap Network & internet VPN.
2
Tap .
• This feature is available only when the screen lock is activated. If the
screen lock is deactivated, a notification screen appears. Tap Change
from the notification screen to activate the screen lock. See
Setting a
screen lock
for details.
3
Enter VPN details and tap Save.
Configuring VPN settings
1
Tap a VPN from the VPNS list.
2
Enter the VPN user account details and tap Connect.
• To save the account details, select the Save account information
checkbox.
Private DNS
You can configure the Private DNS (Domain Name System) options.
1
On the settings screen, tap Network & internet Private DNS.
2
Select the desired option and tap Save.

Settings 101
Connected devices
Bluetooth
You can connect your device to nearby devices that support Bluetooth to
exchange data with them. Connect your device to a Bluetooth headset
and a keyboard. This makes it easier to control the device.
Pairing with another device
1
On the settings screen, tap Connected devices Bluetooth.
2
Tap to activate it.
• Available devices appear automatically.
• To refresh the device list, tap
.
• Only devices set as visible are displayed on the list.
3
Select a device from the list.
4
Follow the on-screen instructions to perform authentication.
• This step is skipped for previously accessed devices.
Sending data via Bluetooth
1
Select a file.
• You can send multimedia files or contacts.
2
Tap Bluetooth.
3
Select a target device for the file.
• The file is sent as soon as the target device accepts it.
• File sharing processes may differ, depending on the file.

Settings 102
NFC
You can use the device as a transportation card or credit card. You can also
share data with the other device.
1
On the settings screen, tap Connected devices NFC.
2
Tap to activate it.
• Touch your device with other device that supports NFC to allow
sharing data.
• NFC antenna may be located differently depending on the device type.
See
Parts overview
for details about the NFC antenna area.
Sharing panel
You can share contents from Gallery, Music and File Manager with nearby
devices. Also you can share the content with specific people in apps that
work with Google Direct Share.
1
On the settings screen, tap Connected devices Sharing panel.
2
Tap to deactivate each option.
• Nearby devices: You can display the nearby devices to which you
can share contents on the Gallery, Music, and File Manager apps.
• Direct share: From an app which supports Google Direct Share, you
can display an icon which allows you to share contents to specific
people.
File sharing
You can send and receive files between your device and other LG devices
or tablets.
1
On the settings screen, tap Connected devices File sharing.
2
Customise the following settings:
• K42: Change the device name.

Settings 103
• Save to: Set the destination folder to save files sent from other
devices in.
• File sharing: Permit receipt of files sent from other devices.
• SmartShare Beam: Share files with other devices via SmartShare
Beam.
• Help: You can view help on sharing files.
Printing
You can connect your device to a Bluetooth printer and print photos or
documents saved on the device.
On the settings screen, tap Connected devices
Printing.
• Tap Default Print Service to search for printers you can connect to. Or,
tap
Add printer to manually add a printer.
• Tap
Add service to download the printer app you want.
• This is available only when the mobile network or the Bluetooth
function is turned on.
• To down the printer app in
Add service, first log on to your Google
account.
Sound
You can customise sound, vibrate and notification settings.
On the settings screen, tap Sound and customise the following settings:
• Sound profile: Change the sound mode to Sound, Vibrate only, or
Silent.
• Volume: Adjust the sound volume for various items.
• Ringtone: Select a ringtone for incoming calls. Add or delete ringtones.
• Notification sound: Select a notification ringtone. Set music saved on
the device as a notification ringtone.

Settings 104
• Ring with vibration: Set the device to vibrate and play a ringtone
simultaneously.
• Ringtone ID: Create a ringtone for an incoming call from a particular
contact.
• Flash alert for incoming call: Set the flash to blink according to LG
ringtone.
• Do not disturb: Set the time, range and app type to receive
notification messages. Receive notification messages only on particular
days of the week.
• Sound quality and effects: Use the function to set the sound quality
and effects while playing a song or video.
- Volume: Adjust the sound volume for various items.
- Normalize volume: Use the function to normalise the volumes of
different sound sources.
- Equalizer: Use the function to adjust the equaliser settings.
- LG 3D Sound Engine: Use the function to play music or video in
three-dimensional, immersive and vivid sound when earphones,
speaker or other external audio devices are connected. See
LG 3D
Sound Engine
for details.
• Vibration type: You can select the type of vibration when receiving
calls.
• Dialing keypad sound: Select the keypad sound effect.
• Touch sound: Select a sound effect for tapping an item.
• Screen lock sound: Select a sound effect when the screen is locked or
unlocked.

Settings 105
Notifications
You can check a list of installed apps, and configure the settings for
notifications.
1
On the settings screen, tap Notifications.
2
Customise the settings as desired.
Display
You can customise detailed settings for each screen type.
On the settings screen, tap Display and customise the following settings:
• Home screen: Customise settings for the Home screen. See
Home
screen settings
for details.
• Navigation bar: Set the style of the navigation bar with Gestures or
Buttons only. you can also change the button combination when you
set Buttons only as a style of the navigation bar. For details, see
Using
Navigation bar
.
• Status bar: Set the colour of the status bar on the top of the screen,
or set the notification icon display and battery percentage display.
• Comfort view: Set the device to reduce amount of blue light on screen
to reduce eye strain.
• Night mode: You can apply a dimmed screen theme to avoid glare on
the screen at night time.
• Accent colour: Change the point colour for settings, menus,
notification windows, etc.
• Font: Change the font size, bold text or type.
• Display size: Set the items on the screen to a size easy for you to see.
Some items may change position.
• Full screen apps: Adjust the screen size of apps.
• Brightness: Use the slide bar to change the device’s screen brightness.
To automatically adjust screen brightness according to ambient light
intensity, tap the Auto switch.

Settings 106
• Auto: Set the device so that the screen brightness is automatically
adjusted in accordance with the ambient light intensity.
• Screen timeout: Automatically turn off the screen when the device is
left idle for a specified period of time.
• Auto-rotate screen: Automatically rotate the screen according to the
device’s orientation.
• Screen saver: Display a screen saver when the device is connected to
the holder or charger. Select a screen saver type to display.
• One-handed screen: Make the screen size smaller to conveniently use
the device with one hand. Drag the Home touch button at the bottom
of the screen to the left or right.
Wallpaper & theme
You can select wallpaper, screen theme or icon style for your device.
1
On the settings screen, tap Wallpaper & theme.
2
Tap Wallpaper or Theme or Icon to customise the settings.
Lock screen & security
You can customise lock screen and security settings.
1
On the settings screen, tap Lock screen & security.
2
Customise the settings.
• Google Play Protect: Scan your device daily for potentially harmful
apps.
• Find My Device: Remotely track the device location. You can also
protect your data securely if you lost your device.
• Security update: Check for software update and configure
automatic installation settings.

Settings 107
• Select screen lock: Select the desired screen lock method. See
Setting a screen lock
for details.
• Customize Lock screen: Change the information displayed on the
locked screen.
• Secure lock settings: Change the secure lock settings.
• Fingerprints: Use your fingerprint to unlock the screen or content.
See
Fingerprint recognition overview
for details.
• Content lock: Allow you to set a lock type (password or pattern)
for QuickMemo+ memos.
• Encryption & credentials: Configure the settings for SD card
encryption and credentials.
- Encrypt SD card: Encrypt the memory card to prevent use on
another device. See
Memory card encryption
for details.
- Credential protection: View the type of the storage where the
security certificate will be saved.
- Trusted credentials: View your system’s root CA certificates and
user-installed CA certificates.
- User credentials: View and change secure certificate information
stored on your device.
- Install from storage: Install a secure certificate from a storage.
- Clear credentials: Delete user-installed secure certificates and
related credentials.
• Set up SIM card lock: Lock or unlock the USIM card, or change the
password (PIN).
• Phone administrators: Allow privileges to restrict the control or
use of the device to particular apps.
• Trust agents: View and use trust agents installed on the device.
• Screen pin: Fix the app screen so that only the currently active app
can be used.
• Usage access: View details on usage of apps on the device.

Settings 108
Privacy
You can find and adjust all your privacy settings.
1
On the settings screen, tap Privacy.
2
Customise the settings.
• Permission manager: Allows you to check and change the
permissions granted to the apps.
• Lock screen: Allows you to set notifications to show on the lock
screen.
• Make passwords visible: Enable this option to briefly show each
character of the password as you type it so you can see what you’ve
entered.
• Auto-fill service from Google: Enable this option to enter your
information saved in your account such as password, address,
or credit card number with a single tap. You can also disable this
option, use the Google Autocomplete feature, or add a new service
account.
• Google Location History: Allows you to enable or disable Location
History. When enabled, Google periodically stores and uses your
phone’s most recent location data in connection with your Google
Account.
From the Location History screen, tap
to view and/or manage
your location data.
• Activity controls: Select activities and information which you want
Google to save.
• Ads: Allows you to check the advertising ID and set the personalised
ads.
• Usage and diagnostics: Enable this option to help improve the
Android experience by automatically sending diagnostic, device, and
app usage data to Google.

Settings 109
Location
You can check how your location information is shared and configure the
permission to access your location information.
On the settings screen, tap Location and set the desired function.
Extensions
Smart Doctor
You can use Smart Doctor to diagnose the device’s condition and optimise
it.
On the settings screen, tap Extensions
Smart Doctor.
Gaming
You can configure settings for game tools, graphics and battery saving
feature.
1
On the settings screen, tap Extensions Gaming.
2
Customise the following settings:
• Game Launcher: Tap
to use the game launcher.
• Game tools: You can run the function while playing games by
touching the game tools icon among the home touch buttons.
• Game graphics: Adjust the game graphics.
• When you change the resolutions on some games, the screen display
feature may not work properly.
• This function may not be available in certain game apps.
• Break time: Reduce the screen brightness and performance
whenever you leave the game running for more than 5 minutes.

Settings 110
Dual App
You can install duplicate messenger apps on the product and use two
accounts at the same time.
1
On the settings screen, tap Extensions Dual App.
2
After reading the disclaimer, tap Confirm.
3
In the list of available apps, tap Install to install a copy of a desired app
and follow the on-screen instructions.
• On the screen, the list of available dual apps is shown. During
installation, app icons are generated on the home screen.
Shortcuts
You can use buttons such as the Lock/Power, Volume, and Google
Assistant to run certain apps or functions right away.
1
On the settings screen, tap Extensions Shortcuts.
2
Customise the following settings.
• Open Camera: Press Power key twice to open Camera.
• Open Screen-off memo: Press Volume Up key twice to open
Screen-off memo when the screen is locked or off.
• Open Camera: Press Volume Down key twice to open Camera
when the screen is locked or off.
• Open Google Assistant: Press the Google Assistant key on the
side of the phone.
• Talk to Google Assistant: Press and hold the Google Assistant key
to quickly talk to your Assistant.
• Google Assistant does not support certain languages.

Settings 111
KnockON
Double-tap the screen to turn the screen on or off.
See
KnockON
for details.
Apps
You can check a list of installed apps, and configure the settings for
notifications, app permissions, and more.
1
On the settings screen, tap Apps.
2
Customise the settings.
Battery
You can view the current battery information or turn on power-saving
mode.
1
On the settings screen, tap Battery.
2
Customise the following settings:
• Battery usage: View the battery usage details.
• Adaptive battery: Allow you to save the battery by stopping apps
running in the background.
• Background restrictions: Enable this option to restrict background
apps to save the battery while using the device. Restricted apps
for power saving may not work properly or may not send you
notifications.
• Battery saver: Reduce battery consumption by cutting down some
device settings, such as the display brightness, speed and vibration
intensity.
• Power saving exclusions: Select apps to use without any
functional limitation while in power saving or battery optimisation
mode.

Settings 112
Storage
You can view and manage internal storage on the device or storage space
of the memory card.
1
On the settings screen, tap Storage.
2
Customise the following settings:
• Internal storage: View the total storage space and free space in the
device’s internal storage. View a list of apps in use and the storage
capacity for each app.
• SD card: View the total storage space and free space in the
memory card. This option appears only when a memory card is
inserted. To unmount the memory card, tap
.
Accounts
You can add users to share your device and register a cloud account.
1
On the settings screen, tap Accounts.
2
Customise the settings.
Digital Wellbeing & parental
controls
You can view the product use time and set the timer for each app.
Also, you can manage the mobile phone use time by using the Sleep
Preparation Mode and Focus Mode.
Select Digital Wellbeing & parental controls on the settings screen and
set the desired function.

Settings 113
Google
You can use Google settings to manage your Google apps and account
settings.
On the settings screen, tap Google.
System
Update centre
You can check and install the latest version of the app or software
provided by LG.
1
On the settings screen, tap System Update Centre.
2
Customise the following settings:
• App Updates: Check if an app update is available. If available, you
can install the update.
• Software Update: Check if a software update is available. If
available, you can install the update.
Language & keyboard
You can customise language and keyboard settings for your device.
1
On the settings screen, tap System Language & keyboard.
2
Customise the following settings:
• Language: Select a language to apply for the device.
• Manage keyboards: You can change the product’s basic keyboard
setting, set the use environments for LG Keyboard or other installed
keyboards, and set the speech recognition function for Google Voice
input. Also, you can set whether to display the keyboard button in
the touch button area on the home screen so that you can quickly
switch to another keyboard.

Settings 114
• Physical keyboard: Select to use the physical keyboard, or check
keyboard shortcut keys.
• Spell checker: Allows you to set various options for the Google
Spell Checker.
• Auto-fill service: Enable this option to enter your information
saved in your account such as password, address, or credit card
number with a single tap. You can also disable this option, use
Google Autocomplete, or add a new service account.
• Text-to-speech output: Configure the settings for text-to-speech
output.
• Pointer speed: Adjust the pointer speed of a mouse or trackpad.
• Reverse mouse buttons: Reverse the right mouse button to
perform primary direct-manipulation actions.
Date & time
You can customise date and time settings for your device.
1
On the settings screen, tap System Date & time.
2
Customise the settings.
Memory
You can view the average amount of memory usage over a certain period
of time and the memory occupied by an app.
1
On the settings screen, tap System Memory.
2
Tap to set a time slot to retrieve data.
Backup
You can back up data saved on your device to another device or account.
1
On the settings screen, tap System Backup.
2
Customise the following settings:
• LG Mobile Switch: Allow you to transfer data from an old LG device
to your new LG device. See
LG Mobile Switch
for details.

Settings 115
• Backup & restore: Back up your device data or restore data to your
device from a backup.
• Resetting your device may delete backup files saved in storage. Make
sure to copy and store the important backup files to your PC.
• Google backup: Change Google drive backup settings. You can
also check the backup account currently used, or add a new backup
account.
Restart & reset
You can reset the device including network and app settings.
1
On the settings screen, tap System Restart & reset.
2
Customise the following settings:
• Auto-restart: Automatically restart and optimise the phone at a
set time. Tap
to activate this feature. The device automatically
restarts at a set time and optimise itself. Select a date and time for
restart.
• You can set the device to restart itself once a week. The device
automatically restarts in an hour from the preset time.
• Once the device restarts, notifications and badges are erased. Save
important data before the preset time.
• The Auto-restart feature is not activated in the following situations:
When the screen is turned on, when the device is in use, when the
battery level is 30% or less, or when the USIM card is locked.
- Depending on the telecommunication provider, the auto-restart
function may or may not be available.
• Network settings reset: Reset Wi-Fi, Bluetooth and other network
settings.
• Reset app preferences: Reset the settings for an app. The data
saved in the app will not be deleted.

Settings 116
• Factory data reset: Reset all settings for the device and delete
data.
• Restarting and resetting your device deletes all data on it. Enter your
device name, Google Account and other initial information again.
• After data initialization, the data cannot be restored.
About phone
You can view information about your device, such as the name, status,
software details and legal information.
On the settings screen, tap System
About phone and view information.
Regulatory & safety
You can view regulatory marks and related information on your device.
On the settings screen, tap System
Regulatory & safety.
Accessibility
You can manage accessibility plug-ins installed on your device.
1
On the settings screen, tap Accessibility.
2
Customise the following settings:
• Vision
TalkBack: Set the device to notify screen status or actions
via voice.
• Vision
Voice notifications: Set the device to read the caller
information via voice.
• Vision
Font: Change the font size, bold text or type.
• Vision
Display size: Set the items on the screen to a size easy for
you to see. Some items may change position.
• Vision
Touch zoom: Zoom in or out by tapping the screen three
times.

Settings 117
• Vision Window zoom: Zoom in or out within a window and invert
the colour.
• Vision
Large mouse pointer: Magnify the mouse pointer.
• Vision
High contrast screen: Turn the background colour into
black for a high contrast screen.
• Vision
Screen colour inversion: Increase the display colour
contrast for people with low vision.
• Vision
Screen colour adjustment: Adjust the display colour.
• Vision
Monochrome: Switch the screen to grayscale mode.
• Vision
End call with the Power key: End a call by pressing the
Power/Lock key.
• Hearing
Caption preferences: Turn on the subtitle service when
playing videos for the hearing impaired.
• Hearing
Flash alerts: Set the device to notify you with a blinking
light for incoming calls, messages and alarms.
• Hearing
Mute all sounds: Mute all sounds and lower volume on
the receiver.
• Hearing
Audio channel: Select the audio type.
• Hearing
Sound balance: Adjust the audio output balance. Use the
slide bar to change the balance.
• Motor & cognition
Touch assistant: Turn on the touch board to
make buttons and gestures easier to use.
• Motor & cognition
Touch input: Enter text by touching and
holding the screen or modify it by simply touching the screen.
• Motor & cognition
Physical keyboard: Customise the keyboard
settings.
• Motor & cognition
Auto mouse click: Automatically click the
mouse pointer in case of no movement.
• Motor & cognition
Touch and hold for calls: Answer or decline
calls by touching and holding the call button instead of dragging it.

Settings 118
• Motor & cognition Screen timeout: Turn off the screen
automatically when the device is left idle for a specified period of
time.
• Motor & cognition
Touch control areas: Limit the touch area
so that only a particular portion of the screen can be controlled by
touch input.
• Accessibility features shortcut: Quickly access a frequently
used function by pressing the Power key and the Volume Up key
simultaneously.
• Auto-rotate screen: Automatically change the screen orientation
according to the physical position of the device.
• Select to Speak: Allow you to tap items to hear spoken feedback.
• Switch Access: Create key combinations to control your device.

Appendix
05

Appendix 120
LG Language Settings
Select a language to use on your device.
• On the home screen, tap Settings
System Language & keyboard
Language Add language, and select a language.
- Touch and hold and drag it to the top of the language list to set it
as a default language.
LG Bridge
LG Bridge overview
You can back up contacts, photos and more to the computer or update
the device software.
• See LG Bridge help for details.
• The supported features may vary depending on the device.
• LG USB driver is a necessary program to connect your LG smartphone
with the computer and is installed when you install LG Bridge.
LG Bridge functions
• Back up data from the device to a computer or restore data from a
computer to the device via USB cable connection.
• Update the device software from a computer via USB cable connection.

Appendix 121
Installing LG Bridge on a computer
1
Go to
www.lg.com
from your computer.
2
Select your region.
3
Click Support Software & Firmware.
4
Enter the name of your device.
OR
Select by the Product Category.
5
Go to PC Sync LG Bridge to download the setup file.
• Go to Details to view the minimum requirements for installing
LG Bridge.
Phone software update
LG Mobile phone software update from the
Internet
For more information about using this function, please visit
http://www.lg.com/common/index.jsp
, select your country and language.
This feature allows you to conveniently update the firmware on your
phone to a newer version from the Internet without needing to visit a
service centre. This feature will only be available if and when LG makes a
newer firmware version available for your device.
Because the mobile phone firmware update requires the user’s full
attention for the duration of the update process, please make sure
you check all instructions and notes that appear at each step before
proceeding. Please note that removing the USB cable during the upgrade
may seriously damage your mobile phone.
• LG reserves the right to make firmware updates available only for
selected models at its own discretion and does not guarantee the
availability of the newer version of the firmware for all handset models.

Appendix 122
LG Mobile Phone software update via Over-
the-Air (OTA)
This feature allows you to conveniently update your phone’s software to
a newer version via OTA, without connecting a USB cable. This feature will
only be available if and when LG makes a newer firmware version available
for your device.
To perform the phone software update,
Settings
System Update centre Software Update Check now
for update.
• Your personal data from internal phone storage—including information
about your Google Account and any other accounts, your system/
application data and settings, any downloaded applications and your
DRM licence—might be lost in the process of updating your phone’s
software. Therefore, LG recommends that you backup your personal
data before updating your phone’s software. LG does not take
responsibility for any loss of personal data.
• This feature depends on the area or service provider.

Appendix 123
Anti-Theft Guide
Set up your device to prevent other people from using it if it's been reset
to factory settings without your permission. For example, if your device is
lost, stolen, or wiped, only someone with your Google Account or screen
lock information can use the device.
All you need to make sure your device is protected is:
• Set a screen lock: If your device is lost or stolen but you have a screen
lock set, the device can't be erased using the Settings menu unless
your screen is unlocked.
• Add your Google Account on your device: If your device is wiped but
you have your Google Account on it, the device can't finish the setup
process until your Google Account information is entered again.
After your device is protected, you'll need to either unlock your screen or
enter your Google Account password if you need to do a factory reset.
This ensures that you or someone you trust is doing the reset.
• Do not forget your Google Account and password you had added to
your device prior to performing a factory reset. If you can't provide the
account information during the setup process, you won't be able to use
the device at all after performing the factory reset.

Appendix 124
Open Source Software Notice
Information
To obtain the source code under GPL, LGPL, MPL, and other open
source licenses, that is contained in this product, please visit
http://opensource.lge.com
.
In addition to the source code, all referred license terms, warranty
disclaimers and copyright notices are available for download.
LG Electronics will also provide open source code to you on CD-ROM
for a charge covering the cost of performing such distribution (such
as the cost of media, shipping, and handling) upon email request to
opensourc[email protected]
.
This offer is valid for a period of three years after our last shipment of this
product. This offer is valid to anyone in receipt of this information.
Regulatory information
(Regulation ID number, E-labeling, etc.)
For regulatory details, go to Settings System Regulatory & safety.

Appendix 125
Trademarks
• Copyright ©2020 LG Electronics Inc. All rights reserved. LG and the
LG logo are registered trademarks of LG Group and its related entities.
• Google, Google Maps, Gmail, YouTube, Google Duo, Google Play,
Android, Chrome, Google Photos, Google Play Protect, Google Calendar,
Google Docs, Google Drive, Google Sheets and other related marks and
logos are trademarks of Google LLC.
• Bluetooth
®
is a registered trademark of Bluetooth SIG, Inc. worldwide.
• Wi-Fi
®
and the Wi-Fi logo are registered trademarks of the Wi-Fi
Alliance.
• All other trademarks and copyrights are the property of their
respective owners.

Appendix 126
Laser safety statement
Caution!
This product employs a Laser system. To ensure proper use of this
product, please read this owner’s manual carefully and retain for future
reference. Should the unit require maintenance, contact an authorised
service centre.
Use of controls, adjustments, or the performance of procedures other
than those specified herein may result in hazardous radiation exposure.
To prevent direct exposure to laser beam, do not try to open the enclosure
or make direct contact with the laser.
DECLARATION OF CONFORMITY
Hereby, LG Electronics declares that this LM-K420YM product is in
compliance with the essential requirements and other relevant provisions
of Directive 2014/53/EU.
A copy of the Declaration of Conformity can be found at
http://www.lg.com/global/declaration

Appendix 127
More information
Tempered glass parts
Tempered glass parts of this device are not permanent and they may wear
out over time.
• If you drop your device on a hard surface or subject it to severe impact,
the tempered glass may be damaged.
If this happens, stop using your device immediately and contact an LG
Customer Service Centre.
• You can purchase protective cases to protect your device from damage
on the market.
Note that these protective cases are not covered under the warranty
service provided by LG Electronics and safety is not guaranteed.
Aspect ratio
This device uses 20.5:9 aspect ratio.
• Some downloaded apps may not support 20.5:9 aspect ratio.
In this case, select the most optimal screen ratio for the app or consult
the app provider for more information.

Appendix 128
Guide to data transfers
• For the data that can be exchange between LG devices or between the
LG device and a third party device, see the following table.
Type Item details
LG device
→
LG device
Third party
Android
device
→
LG device
iOS device
→
LG device
Personal
data
Contacts, messages,
dial logs, calendar, voice
recordings
○ ○ ○
Memos
○
X
○
Alarms
○
X X
Media
data
Photos, videos, songs,
documents
○ ○ ○
Screen
settings
Home screen settings
(folders and widgets)
○
X X
Lock screen settings
(screen lock settings
excluded)
○
X X
Apps
Downloaded apps
○ ○
-
Personal data of the
downloaded app
○
X
Others
Public certificate
○ ○
X
Settings (Wi-Fi, Bluetooth,
Calls, sound & notification,
accessibility, battery)
○
X X
• Some data may not be transmitted depending on the software version,
app version, operating system, manufacturer or service provider’s policy.

Appendix 129
FAQ
This chapter lists some problems you might encounter when using your
device. Some problems require you to call your service provider, but most
are easy to fix yourself.
SIM card error
Make sure the SIM card is correctly inserted.
No network connection or dropped network
Signal is weak. Move to a window or an open area.
You are outside the carrier network area. Move and check the network.
Calls are not available
New network not authorised.
Make sure you have not set call barring for the incoming number.
Make sure you have not set call barring for the number you are dialling.
Device cannot be turned on
When the battery is completely discharged, your device will not turn on.
Fully charge the battery before turning on the device.
Charging error
Make sure device is charging at a normal temperature.
Check the charger and its connection to the device.
Use only in-box accessories which are authorised by LG.
The battery depletes faster than when first purchased
When you expose the device or the battery to very cold or hot
temperatures, the battery life may be reduced.
Battery consumption will increase when you use certain features or apps,
such as GPS, games or the Internet.
The battery is consumable and the battery life will get shorter over time.

Appendix 130
Error messages appear when launching the camera
Charge the battery.
Free some memory by transferring files to a computer or deleting files
from your device.
Restart the device.
If you are still having trouble with the camera app after trying these tips,
contact a LG Electronics Service Centre.
The photo quality is poor
The quality of your photos may vary, depending on the surroundings and
the photography techniques you use.
If you take photos and videos, standard angle quality is better than wide-
angle.
If you take photos in dark areas, at night or indoors, image noise may
occur or images may be out of focus.
If you have any problems, reset the options.
The touch screen responds slowly or incorrectly
If you attach a screen protector or optional accessories to the touch
screen, the touch screen may not function properly.
If you are wearing gloves, if your hands are not clean while touching the
touch screen or if you tap the screen with sharp objects or your fingertips,
the touch screen may malfunction.
The touch screen may malfunction in humid conditions or when exposed
to water.
Restart your device to clear any temporary software bugs.
If the touch screen is scratched or damaged, visit a LG Electronics Service
Centre.

Appendix 131
Hangs or freezes
Restart the device
• If your device freezes or hangs, you may need to close apps or turn the
device off and then on again.
Perform a boot-up
• A soft reset may be used to reset the device if the screen freezes, or
the buttons, touch screen or device are no longer responding.
• To perform a soft reset of your device, simply press and hold the
Volume Down and Power keys until the device restarts.
Reset the device
• If the methods above do not solve your problem, perform a factory
data reset.
• On the settings screen, tap System
Restart & reset Factory data
reset.
- This method resets all settings for the device and deletes data.
Before performing the factory data reset, remember to make back-
up copies of all important data stored in the device.
- If you registered a Google Account to the device, you must sign in to
the same Google Account after resetting the device.
Bluetooth device is not located
Make sure the Bluetooth wireless feature is activated on your device.
Make sure the Bluetooth wireless feature is activated on the device you
wish to connect to.
Make sure your device and the other Bluetooth device are within the
maximum Bluetooth range (10 m).
If the tips above do not solve your problem, contact a LG Electronics
Service Centre.

Appendix 132
A connection is not established when you connect the
device to a computer
Make sure the USB cable you are using is compatible with your device.
Make sure you have the proper driver installed and updated on your
computer.
Downloaded application causes a lot of errors
Application has problems.
Remove and reinstall the application.

