Portrait
You can create an artistic portrait photo, whereby the subject is in focus and the background is blurred. You can also edit the image by applying lighting or color effect to the background.

, and tap Portrait.
3 When Portrait is available appears on the screen, tap
to take a photo.
• The Portrait feature may not work if the camera cannot recognize the subject.
Creating a movie
You can create a new movie by putting images and videos together.
, select an album, then tap
Create movie.
Deleting files
You can select images or videos to delete from your video by tapping
at the top right corner of its thumbnail.
Adding files
You can select images or videos to add after tapping
at the bottom of the screen. You can also select the images or videos you have already previously added.
Touch and hold a file, and then tap another file for multiple selection.
Rearranging files
To rearrange the images and videos, touch and hold the file you want to move, then dragging it to the desired location.
Adding file effects
Tap
to add a theme or background music, or change the font.
Resetting the movie edits
You can reset the edits made to the movie (e.g. play time) by tapping
.
Previewing a file
Check your new video before saving it by tapping
. After the playback time elapses, the next file is played automatically.

Making a GIF
You can easily make a GIF file using recorded video.
.
You may use this feature solely for creative purposes. The use of this feature involving infringement of any other person’s rights, such as copyright or defamatory or offensive statements, may be subject to civil, criminal, or administrative liabilities and/or penalties under applicable laws. You shall not copy, reproduce, distribute, or otherwise make illegal use of any copyrighted materials without permission of the rightful owner or copyright holder. To the fullest extent permitted by applicable law, LG Electronics disclaims all expressed and implied warranties as well as liabilities associated thereto.
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 and sign in to your Google Account.
Sign in
1 Press the Google Assistant key on the left side of the device to launch Google Assistant.
2 Follow the on-screen instructions.
• The device saves your voice data for recognition.
3 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.”.

Lock screen & security
Secure lock settings
Smart Lock, and then use the screen lock method you set to unlock the device. Tap Voice Match, then tap Access with Voice Match
, then enter the currently used unlock method again. Note that Swipe is excluded.Accessing by Voice
Accessing from Home Screen or Any Other Screen
on the bottom of the screen.
Voice recognition accuracy may decrease if you speak with an unclear voice or in a noisy place. When you use the voice recognition feature, increase its accuracy by speaking with a clear voice in a quiet place.
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:

Precautions for fingerprint recognition
Fingerprint recognition accuracy may decrease due to a number of reasons. To maximize the recognition accuracy, check the following before using the device.
Registering fingerprints
You can register and save your fingerprint on the device to use fingerprint identification.
• This feature is available only when the screen lock is set.
- Lock the device with a pattern, PIN or password.
• If the screen lock is not set, enable it by following the on-screen instructions. See Setting a screen lock for details.
2. Locate the fingerprint sensor on the back of the device and gently put your finger on it to register the fingerprint.

3 Follow the on-screen instructions.
• Repeat scanning the fingerprint by moving your finger little by little until the fingerprint is registered.
4 When the fingerprint registration is done, tap OK.
• Tap Add more to register another fingerprint. If you register only one fingerprint and the corresponding finger is not in a good condition, the fingerprint recognition may not work well. As a preventative measure, register multiple fingerprints.
Managing fingerprints
You can edit or delete registered fingerprints.
Lock screen & security
Fingerprints.
.Unlocking the screen with a fingerprint
You can unlock the screen or view locked content by using your fingerprint.
Lock screen & security
Fingerprints.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 and hold
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.
Using the pop-up window
Minimizes the pop-up window. The pop-up window is minimized into the app icon floating on the screen, which can be moved anywhere you want.
Expands the app to full screen.
Closes the app.

Using the app folder for pop-up windows
If you tap
on the pop-up window, the pop-up window is minimized into the app icon.
You can move the app icon anywhere you want by dragging it.

If two or more pop-up windows are minimized, the app folder is created to contain the app icons.


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.Multi window
When using Gestures navigation (by default)
1 Swipe up and hold
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.


Do NOT attempt to remove the back cover. This device has a non-removable battery. Do not attempt to remove the back cover. Doing so may severely damage the battery and device, which could cause overheating, fire, and injury
Press and hold the volume down key and Power/Lock key at the same time for a second to take a screenshot.
• 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 analyzes 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 Screen-off memo.
• 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
- Your device has 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.
- Activate Google assistant. See Google Assistant for details.

Hold the device correctly as shown below. If you cover the microphone hole with a hand, finger, or protective case while using the device, you may sound unclear during a call.

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.
Power control options
Press and hold the Power/Lock key, then select an option.
Insert the SIM card provided by your mobile service provider to start using your device.
Be careful with the ejection pin since it has a sharp edge.

2. Pull out the card tray.

3. Put the SIM card (and a memory card; optional-sold separately) on the card tray with the gold-colored contacts facing downwards.

4. Insert the card tray back into the slot.


Unmount the memory card before removing it for safety.
Storage
.
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.
Before using the device, fully charge the battery. Connect one end of the charging cable to the charger, insert the other end of the cable into the cable port, and then plug the charger into a power socket.

Do not charge while the device or charging cable is wet or contains moisture. This can cause fire, electric shock, injury or damage to device. If there is moisture, stop using the device immediately and remove the moisture completely.
Using the battery efficiently
Battery lifespan may decrease if you keep many apps and functions running simultaneously and continuously.
Stop apps and functions from running in the background to increase battery life.
To minimize battery consumption, follow these tips:
You can familiarize 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. 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. 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

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 organize widgets and folders on the Home screen.

The Home screen may differ depending on the manufacturer policy, user settings, software version or service provider.
Using Navigation bar
Here is the gestures guide to control the Navigation bar.
Gestures is the default for the Navigation bar. To change it to Buttons only , tap
Settings
Display
Navigation bar, then select Buttons only
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


You can customize 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 access the option that needs to be set.Wi-Fi
You can connect to nearby devices over a Wi-Fi network.
Connecting to a Wi-Fi network
Wi-Fi.
to activate it.3. Select a network.
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.
Wi-Fi
Advanced Wi-Fi
Wi-Fi Direct.2. Select a device.
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
Mobile data.
to activate it.Customizing mobile data settings
Mobile data.
: Customize mobile data settings.Call
You can customize call settings, such as voice call and international call options.
Some features may not be supported depending on the area or service provider.
Call.Tethering
USB tethering
You can connect the device to another device via USB and share mobile data.
Tethering
USB tethering and then tap
to activate it.

Mobile 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.
Tethering
Mobile HotSpot 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

Mobile HotSpot turn off timer
When the Mobile hotspot has not been used for a specific period of time, it is automatically disconnected. You can set the time for automatic disconnection.
Allowed devices
View a list of devices permitted to access contents on your device.
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.
Airplane mode.Wi-Fi Calling
You can use Wi-Fi calling to improve your coverage and to make phone calls over a Wi-Fi network when the network is available.
On the settings screen, tap Network & internet
Wi-Fi Calling
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.
You can customize sound, vibration and notification settings.
On the settings screen, tap Sound and customize the following settings:
You can check a list of installed apps, and configure the settings for notifications.
The Display category allows you to manage various display settings.
On the settings screen, tap Display and customize the following settings:
When you change the screen resolution, currently running apps are closed.
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.
- You can select the aspect ratio for individual apps. On the home screen, tap Settings
Display
App scaling. Select an app, then select the desired aspect ratio from None (Original), Compatibility (16:9), Standard (16.7:9), and Full screen.
You can select wallpaper, screen theme or icon style for your device.
You can customize lock screen and security settings. On the settings screen, tap Lock screen & security.
- 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.
You can check a list of installed apps, app permissions, and more.
You can view the current battery information or turn on power-saving mode.
You can view and manage internal storage on the device or storage space of the memory card.
.You can add users to share your device and register a cloud account.
You can get an overview of your device usage, set a timer for each app, and manage the screen time and notifications.
You can also set up parental controls.
On the settings screen, tap Digital Wellbeing & parental controls and set the desired function.
You can use Google settings to manage your Google apps and account settings.
On the settings screen, tap Google.
Update center
You can check and install the latest version of the app or software provided by LG.
Language & keyboard
You can customize language and keyboard settings for your device.
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.
Device overheats while it is in use
In the following cases, the battery consumption increases and the device may overheat:
• When you turn on the device for the first time or back up the data
• When running multiple apps simultaneously
- When multiple apps are running in the background
- When downloading large files while making a video call or recording a video
• When using features that require high power
- When watching video streaming on the internet, or recording a long video
- When playing high-end games for long time
- When using the device with maximum screen brightness for a long time
• When using lots of mobile data
- When using Wi-Fi hotspot or tethering
- When synchronizing the data for multiple accounts simultaneously
• Other cases
- When roaming overseas
- When using the device in areas with weak signals or no reception
- When charging the device with the charger/USB cable port that is damaged or contaminated with foreign substance
Some of the above cases may not apply depending on the features and apps.
Device overheats while charging.
How to solve overheating of the device
Usage limitations when the device overheats
If the device overheats while using it or charging, some features, apps, or even the device may be turned off.
This is a normal operation for the devices that support this feature.
Make sure the SIM card is correctly inserted.
Signal is weak. Move to a window or an open area.
You are outside the carrier network area. Move and check the network.
New network not authorized.
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 dialing.
When the battery is completely discharged, your device will not turn on.
Fully charge the battery before turning on the device.
Make sure the device is charging at a moderate temperature.
Check the charger and its connection to the device.
Use only in-box accessories which are authorized by LG.
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.
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 the LG Authorized Service Center.
The quality of your photos may vary, depending on the surroundings and the photography techniques you use.
When you take photos and videos, keep in mind that the image quality with standard angle is better than that with 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.
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, contact the LG Authorized Service Center.
Restart the device
Perform a boot-up
Reset the device
Restart & reset
Factory data reset.
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 the LG Authorized Service Center.
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.
Application has problems.
Remove and reinstall the application
Reference file: LG LMK500MMAMTPTN K51™ Metro by T-Mobile
Additionally, the document applies to other LG Electronics models: LM-K500UM, LM-K500MM