F21 DRONE INSTRUCTION MANUAL
IMPORTANT
------------------------------------------------------------
1
SAFETY PRECAUTIONS
--------------------------------------------------------
1
WARNING
--------------------------------------------------------
4
EXEMPTION
-------------------------------------
-------------------------------------
4
FLIGHT SAFETY
--------------------------------------------------
5
9
17
--------------------------------------------------
REMOTE CONTROL BATTERY INSTALLATION
--------------------------------------------------
9
REMOTE CONTROL FUNCTIONS
TROUBLE SHOOTING
14
PACKING DETAILS
--------------------------------------------------
--------------------------------------------------
19
CHARGING THE BATTERY
15
--------------------------------------------------
FLIGHT
18
--------------------------------------------------
SPECIFICATIONS
IMPORTANT:
Thank you for purchasing the Con�xo F21 drone. Please read all instruc�ons and
warnings carefully before opera�ng, and keep this instruc�on manual for future
reference and maintenance.
Never fly in or near controlled airspace and do not exceed a height of 20�. To
ensure you’re opera�ng within the law and following FAA regula�ons within the
United States. Do not fly along airline routes, and do not fly in areas with strong
radio, electromagne�c or electrosta�c emissions. Do not operate the drone in any
way that is prohibited by related authorites of our country. NEVER use for any
illegal purpose or use beyond the scope of which your local laws and regula�ons
have s�pulated.
The F21 drone should only be operated by individuals age 14 and up, and is best
supervised by experienced UAV pilots. This is a precisely-made device from its
electronics, mechanical components, and high-frequency transmission technology,
according to its aerodynamic design. Using this device requires proper calibra�on
and poten�al assembly or debugging to avoid complica�ons or accidents. The user
should always operate and control this product in a safe manner. Inappropriate use
can lead to serious injury, cause property damage, or can lead to the drone being
lost during opera�on.
In the event that the product is faulty. Please reach out to our technical support
team. All of our products have a 1-year limited warranty:
h�ps://con�xo.com/pages/warranty. Likewise, should the product malfunc�on,
or become damaged and need maintenance, reach out to our customer service
team at: Support@con�xo.com.
- 1 -
SAFETY PRECAUTIONS:
This remote-control aircra� can be dangerous when in use. Please make sure you
keep a safe distance from people, animals, and hazardous objects, and do not fly
in controlled airspace. Incorrect installa�on, poor weather condi�ons, or users
unfamiliar with opera�on may cause damage to the aircra�, or other property or
may cause injury. Pay close a�en�on when in use and recognize unsafe or
accident-prone condi�ons to avoid any accidents due to negligence.
- 2 -
1. Keep it far away from any structures or crowds: This remote-control aircra�
may vary slightly in speed or sensi�vity while flying and can cause poten�al
danger. Therefore, please keep it far away from crowds, buildings, trees,
structures, high-voltage wires, etc... Please also avoid flying in adverse
weather condi�ons such as rain, snow, electrical storms, and high winds to
ensure safety of the user, any spectators, and surrounding property.
2. Keep it away from any moist environments: The inside of the aircra� is
composed of many precise electronic and mechanical parts. Therefore, please
try to avoid any moisture or water content from entering the main body of the
aircra� as it may cause a breakdown of the mechanical and electronic parts
and thus cause an accident.
3. Only operate with included parts for intended use: Please use the original
parts made by Con�xo for any re-equipping or maintenance to ensure flying
safety. Please operate and use only under the scope of the product func�ons
permi�ed. Using unapproved parts will void the warranty.
4. Novice users should seek assistance: New users may face obstacles while
learning to operate this aircra�, in this case, please try to avoid opera�ng the
aircra� alone. When available, operate this aircra� under the guidance of a
more experienced user.
5. DO NOT operate under the influence of drugs or alcohol: Please operate
this remote-control aircra� in accordance with state law and within your
abili�es. Do not operate in a state of fa�gue, or a bad mental state. Incorrect
opera�on may increase the probability of accidents.
6. Please keep a safe range from aircra� when using top speed: When the
operator is flying at high speed, please keep the aircra� far away from the
pilot and any surrounding people or objects so as not to cause damage or
endanger others.
7. Store it in a cool, dry place: The remote-control aircra� is composed of
various materials including: metal, fiber, plas�c, electronics, etc. Therefore,
please keep it away from sources of heat and avoid prolonged exposure to
direct sunlight. Excessive heat exposure can cause distor�on and damage.
- 3 -
• This equipment has been tested and found to comply with the limits for a
Class B digital device, pursuant to part 15 of the FCC Rules. These limits are
designed to provide reasonable protec�on against harmful interference in a
residen�al installa�on. This equipment generates, uses and can radiate radio
frequency energy and, if not installed and used in accordance with the
instruc�ons, may cause harmful interference to radio communica�ons.
• However, there is no guarantee that interference will not occur in a
par�cular installa�on. If this equipment does cause harmful interference to
radio or television recep�on, which can be determined by turning the
equipment off and on, the user is encouraged to try to correct the interfer-
ence by one or more of the following measures.
• Please note that changes or modifica�ons not expressly approved by the
party responsible for compliance could void the users authority to operate
the equipment.
• Reorient or relocate the receiving antenna.
• Increase the separa�on between the equipment and receiver.
• Connect the equipment into an outlet on a circuit different from
that to which the receiver is connected.
• Consult the dealer or an experienced radio / TV technician for help.
WARNING
1. There is important informa�on contained in this package and instruc�on
manual, please keep it for future reference.
2. You have the responsibility to make sure that this model of aircra� won’t
cause injury to yourself, or others, and won’t cause any property damage.
3. Please operate strictly as shown in the instruc�on manual when debugging
or assembling this aircra�. During the process of flying or landing, please
maintain a distance of 1-2 meters between the user and the aircra� to avoid
collisions to the head, face, or body, which may cause injury.
4. Our company and distributors won’t be responsible for any incorrect
opera�on, which may cause loss, damage or bodily injury.
- 4 -
5. Children ages 14 and up should use this product under the guidance of an
adult. This product is NOT to be used by children under 14 years old.
6. Please correctly assemble and use this product as shown in the instruc�on
manual or packaging instruc�ons. Some parts should be assembled by an adult.
7. Small parts are included with this product. Please place it beyond the reach
of the children to avoid a CHOKING HAZARD or parts being mistakenly
swallowed.
8. Stay clear of roads or high-traffic areas flying in these areas is extremely
hazardous and may be illegal.
9. Please promptly dispose of the packing materials, so as not to cause injury to
children.
10. Please DO NOT disassemble or modify the aircra� as it may cause a
breakdown of the aircra� during flight.
11. Ba�eries in the ba�ery compartment of the charger should be inserted into
the designated power source which has the same logo as the product.
12. Only use charging cables provided by the manufacturer.
13. When charging the ba�ery, please ensure an adult is present. Keep the
ba�ery far away from any combus�ble objects or materials while charging.
14. DO NOT short-circuit or squeeze the ba�ery to avoid damaging the
component, and to avoid poten�al explosion.
15. DO NOT mix or replace the Li-ion ba�ery with a different type of ba�ery.
16. Intelligent lithium ba�ery is loaded in the drone.
17. Please DO NOT cause the ba�ery to short-circuit or decompose, keep the
ba�ery far away from fire and sources of excessive heat.
- 5 -
18. The aircra� should be kept far away from any other electrical equipment
that may cause interference.
19. Please keep a safe distance from the high-speed rota�ng rotor to avoid
injury of being wounded or being cut.
20. Components may get hot during use. Please DO NOT touch motors to avoid
being burned or injured.
21. 5V wall charger recommended for charging. DO NOT use any charger
stronger than 5V.
22. Keep your UAS within sight.
23. Never fly over groups of people.
24. Never fly over stadiums or sports events.
25. Understand airspace restric�ons and requirements.
WARNING: Product should only be used by adults and children 14 years and
older. Adult supervision required for children ages 14 years of age.
WARNING: CHARGING OF THE AIRCRAFT BATTERY MUST BE SUPERVISED AT
ALL TIMES BY AN ADULT. UNPLUG THE BATTERY WHEN FULLY CHARGED. DO
NOT OVER-CHARGE THE BATTERY.
- 6 -
EXEMPTION
When using this product, Con�xo Inc. shall not be responsible for direct or
indirect damages caused by the following:
1. Any damages caused by the user experiencing: fa�gue, nausea, poor physical
/ mental health condi�ons, or under the influence of alcohol, or drugs.
2. Personal injury, property loss and legal liability caused by the user's
subjec�ve inten�on or wrong judgment.
3. Damage caused by users flying in flight areas prohibited by law and
regula�ons, such as nature reserves.
4. Other damage caused by poor opera�on or modifica�on of equipment.
Training or replacement of accessories or parts not produced by Con�xo Inc.
5. The quadrotor sends a low-pressure alarm and it s�ll does not land, resul�ng
in the Quadrotor falling down.
6. Damage caused by forced flight knowing that the quadrotor is in an
abnormal state, knowing the assembly is not completed, or knowing the
components have obvious faults, defects, or missing parts.
7. Flying in an area with radio, electrosta�c, or magne�c interference, such as
near: high-voltage power lines, large power equipment, radio and television
transmission towers, mobile phone base sta�ons, etc. Avoid areas restric�ng
flight specified by the government. Ensure the user's vision is not impaired, or
blocked by obstacles. Users with impaired vision should wear any prescribed
eyewear. Avoid any condi�ons unsuitable for controlling the device.
8. Flight in bad weather condi�ons, such as rain, winds above force 4, snow,
hail or other bad weather.
9. The quadrotor encounters a collision, overturns, combusts, gets struck by
lightning, and is damaged in a storm, tornado, rainstorm, flood, tsunami,
ground subsidence, ice subsidence, cliff collapse, avalanche, hail, debris flow,
landslide, earthquake, or natural disaster, etc.
- 7 -
10. Damage caused by infringement of any data, audio or video data obtained
from the user using the quadrotor.
11. Damage to the ba�ery, such as damage caused by improper matching of
the protec�on circuit, ba�ery pack and charger.
12. Any indirect losses or legal liabili�es caused by problems of equipment or
accessories (including memory cards), for example, images or videos that
cannot be saved.
13. Losses or legal liabili�es caused by reckless or unsafe flight without
comple�ng sufficient flight training.
14. The user promises to use the product only for legi�mate purposes and
agrees to abide by these terms and any relevant policies or guidelines that
may be formulated by Con�xo Inc. Some details of this document may change
with the upgrade of the product so�ware version and its terms of use. Please
read the upgrade details carefully before upgrading the so�ware version. The
instruc�on manual will be updated with or without prior no�ce.
Note: The flight �me is about 15 minutes, the flight distance is up to 150
meters (500 feet), and the charging �me is about 60-90 minutes.
FLIGHT SAFETY
Please choose an empty room or outdoor environment with no rain or snow,
wind less than level 2. Recommended to fly below 16 feet (5m). Please stay
away from people, trees, power lines, tall buildings, airports and signal towers.
Maintain
Line of Sight
Fly in Open
Areas
Recommended
to fly below
16 feet (5m)
5
- 8 -
Avoid flying over or near obstacles, crowds, high-voltage power lines, trees,
airports, or bodies of water.
DO NOT fly near strong electromagne�c sources such as power lines and
base sta�ons as it may affect the onboard compass.
DO NOT use the drone in adverse weather condi�ons such as rain, snow,
fog and wind.
Stay away from the rota�ng
propeller blades and motors.
No Fly Zone
5m/s
PACKING DETAILS
· 1 x Drone
· 1 x Remote Control
· 1 x Ba�ery
· 4 x Propeller Blades
· 4 x Propeller Guards
· 1 x Instruc�on Manual
· 1 x Warranty Card
· 1 x USB Cable
· 1 x Screwdriver
- 9 -
It’s important to understand basic flight guidelines, for the safety of
both you and those around you. Don’t forget to read the Safety
Guidelines before flight.
REMOTE CONTROL FUNCTIONS
1
7
9
8
4
5
6
2
3
10
11
12
13
Take picture (Quick press)
Take video (Hold for 3 seconds)
Speed switch (Quick press)
Obstacle avoidance (Hold for 3 seconds)
Thro�le s�ck (ascend / descend/ turn le� / turn right)
One-key take off / Landing (Quick press)
Emergency stop (Hold for 3 seconds)
3D roll (Quick press)
Calibrate Gyroscope (Hold for 3 seconds)
Adjust the camera upwards
Adjust the camera downward
Direc�on s�ck (forward / backward / le� and right side flying)
Power switch
Headless mode (Quick press)
One-key return (Hold for 3 seconds)
Antennae
Mobile Phone Holder
Rocker
1.
2.
3.
4.
5.
6.
7.
8.
9.
10.
11.
12.
13.
- 10 -
Note: Fold the back arm first before proceeding to the front arm when
folding.
Power switch
Camera
Motor A
Motor A
Motor B
Motor B
DRONE DIAGRAM
1. Opening Steps
PRE-FLIGHT PREPARATION
A. Open the front arm (close to camera).
B. Open the back arm.
- 11 -
2. Install the Propellers
Align the blades with the motor sha�
and install them (the arm iden�fica�on
must be consistent with the blade
iden�fica�on). Tighten the screw clockwise.
3. Intelligent Flight Ba�ery
1. To power ON, hold the power bu�on for 3 seconds. To power OFF, hold the
power bu�on for 3 seconds.
2. When the ba�ery is at low power, the power indicator will start flashing.
At this �me, return the drone immediately and charge the ba�ery to avoid
unnecessary power failures.
4. Charge the Ba�ery
1. Remove the lithium ba�ery from the bo�om of the drone.
2. Connect USB charging cable with the charging interface of the lithium
ba�ery. A red LED light turns on when charging and turns off when it is fully
charged. Charging �me is about 60-90 minutes. Flight �me is about 15 minutes
depending on how the drone is being used.
Phone Charger Adapter:
5V/1A(Not included)
USB Charging
Cable
Ba�ery
- 12 -
5. Remote Control Ba�ery Installa�on
6. Install the Rocker
3 x AA Ba�eries (Not Included)
1. Remove the ba�ery cover from
the back of controller.
2. Install 3 x AA ba�eries into the
controller, make sure to install
ba�eries to their correct polarity.
Do not mix old and new ba�eries or
ba�ery types.
3. Replace the ba�ery cover.
The remote control in the storage
state is not installed with the rocker.
Take out the rocker from the bo�om
of the remote control and install it to
the remote control.
7. Assembling protec�ve guard
Align the protec�ve frame with the arm and install it (Figure 1), press it un�l
it is in place, and then press the posi�on (Figure 2) up to fasten the protec�ve
frame.
- 13 -
INSTALL THE CONTIXO F21 APP
Con�xo F21
Search “Con�xo F21” applica�on in APP Store.
Search “Con�xo F21” applica�on in Google Play Store.
Required Opera�ng Systems: IOS 8.0 or higher / Android 5.0 or higher.
FLIGHT
Step 1: Turn on the drone and put down on a level surface
Turn on the drone and the lights of the drone will start blinking. Place the
drone on a level surface.
- 14 -
Step 2: Turn On the Remote Control & Pair with Drone
Press and hold the power bu�on of the remote control to power on the
remote control. When the light of the drone and remote control stop blinking
and changes to a steady light, pairing is successful.
NOTE: You can connect to the drone WiFi signal at this �me to view the
current drone on the Con�xo F21 app.
Step 3: Connect App
— Connect your smartphone to the WiFi of the drone and check the drone’s
status on the “Con�xo F21” app.
— Open the “Con�xo F21” applica�on on your smartphone to access the
control interface.
Click “Start”.
Con�xo - F21 - XXXX
- 15 -
1. Gesture Photo
2. Gesture Video
3. Take Photo
4. Take Video
5. 3D Roll
6. Gallery
7. APP Control On/Off
8. Switch Camera
9. VR Mode
10. Se�ng
11. Exit
12. One Key Take Off
13. One Key Landing
14. Headless Mode
15. Calibrate Gyroscope
16. Switch Speed
17. Flight Pate
18. Gravity Control Mode
19. APP Control Mode - Le� Joys�ck
20. Emergency Stop
21. APP Control Mode - Right Joys�ck
1 2 3 4
5
6 7 8 9
10
11
16
17
18
19 20 21
12
13
14
15
Note: If you want to turn on the app control mode, you need to turn off the
remote control first.
APP Introduc�on
- 16 -
Step 5: Reset to Factory Se�ng/Calibrate Gyroscope
— Push the joys�cks into the 7 o’clock (le� joys�ck) & 5 o’clock (right joys�ck)
posi�on or press and hold “ ” icon on the remote control.
— Lights will rapidly blink and change to steady light.
Or click “ ” on the app when the drone is under APP control.
Take-off/Landing & Emergency Stop
Once the lights are all steady, you are ready to fly!
— Red (rear) and green (front) lights are all solid (no blinking).
Rota�ng propellers can be dangerous. DO NOT start the motors when
there are people nearby.
Take-off
Press the 1-Key Take-off bu�on “ ”or click “ ” on the app when
the drone is under APP control.
Landing
Press the 1-Key Landing bu�on “ ”or click “ ” on the app when
the drone is under APP control.
Emergency Stop
Press and hold the “ ” bu�on or click “ ” on the app when
the drone is under APP control mode to ac�vate emergency stop. Emergency stop
can disable the drone, never ac�vate mid-flight unless there is an emergency.
- 17 -
Opera�ng Method
Right Joys�ck
Le� Joys�ck
T
u
r
n
L
e
�
UP
DOWN
T
u
r
n
R
i
g
h
t
F
o
r
w
a
r
d
Le�
Right
B
a
c
k
w
a
r
d
3D Roll
Quick press “ ” bu�on or click “ ” on the app when the drone is under
APP control mode, then push the right joys�ck forward, backward, le� or right.
The drone will roll in the air in the corresponding direc�on.
Please ensure that the drone is fully charged and maintains a height of about 5
feet from the ground.
About 5 feet
- 18 -
Quick press the “ ” bu�on or click “ ” on the app to take photo.
Speed Switch
Press the “ ” bu�on or click “ ” on the app when the drone is under APP
control mode to switch speed. Different speed gears have different beeps : “Di~”
is the low speed mode, “Di~Di~” is the medium speed mode, and “Di~Di~Di” is the
high speed mode.
Speed Switch & Obstacle Avoidance Mode
Obstacle Avoidance Mode
Press and hold the “ ” bu�on to turn on the obstacle avoidance mode, and
press again to turn off the obstacle avoidance mode.
Avoids obstacles on three sides and when an obstacle is detected, the drone will
retreat to a safe distance.
It is recommended to turn on the obstacle avoidance func�on in an indoor flight
environment with a length and width of 6x6 meters (20x20 feet) or more. When
the drone turns on the obstacle avoidance mode, the speed will slow down and
the fast gear cannot be turned on. The effect of the obstacle avoidance mode
may deteriorate or even be lost outdoors due to sunlight. Therefore, it is
recommended to fly indoors when the obstacle avoidance mode in turned on.
Camera Func�ons
- 19 -
Headless Mode & One Key Return
1. The drone defaults to Normal Mode when the drone and remote control are
matched successfully. Click “ ” bu�on to enter into Headless mode.
Click “ ” bu�on again to exit Headless mode. Or click “ ” on the app
when the drone is under APP control mode.
2. Normal Mode: Before takeoff, the camera on the drone indicate the
forward-facing direc�on.
3. Headless Mode: Before takeoff, the camera on the drone indicate the
forward-facing direc�on. When the drone rotates in flight, the flight direc�on
is not changed.
Press and hold the “ ” bu�on for 3 seconds or click “ ” on the app to
take video.
Photos and videos will be saved in the phone. DO NOT take photos while
recording video.
Headless Mode
During the flight, the drone can be recalled using the return func�on.
Press and hold the “ ” bu�on for 3 seconds to start the return. A�er
star�ng the return flight, the drone will return at the direc�on of the tail
when it is powered on and paired.
During the process, move the direc�on joys�ck or hold the return bu�on for 3
seconds to cancel the return.
Quick press the “ ” bu�on to adjust the camera upwards.
Quick press the “ ” bu�on to adjust the camera downwards.
The angle rota�on range is from -90 to 15 degrees.
- 20 -
Adjust the Camera Angle
Front
Back
Le� Right
Front
Back
Le� Right
As shown in the above figure, when the drone rotates in flight, the flight
direc�on is not changed in the headless mode state.
One Key Return
15
- 21 -
Gesture Selfie Mode
Click “ ” bu�on on the App. Hold up 2 fingers to take a picture.
Click “ ” bu�on on the App. Wave your hand to begin recording video.
There is a 3 seconds countdown before taking a video or picture.
NOTE: This func�on can only be used when there is adequate light. Lowlight or
dimly lit areas may prevent the camera from detec�ng your hand gestures.
Flight Path
Click “ ” on the App. Find the transparent box on the screen. Mark the path
you plan to fly within the transparent box range. (This mode can only be used
in APP controlled mode.)
- 22 -
Gravity Control Mode
Click “ ” to enter gravity control mode. (This mode can only be used in
APP controlled mode.) You can control the flying direc�on of the drone
according to the �lt angle of the phone.
Tilt the phone forward, the drone flies forward.
Tilt the phone backwards, the drone flies backwards.
Tilt the phone to the le� and the drone flies to the le�.
Tilt the phone to the right and the drone flies to the right.
Gallery
Click the “ ” bu�on to access your pictures and video files.
- 23 -
SPECIFICATIONS
Model: F21
Flight Weight: 151g / 5.3 oz
Ba�ery Type: Lipo Lithium-Ion Ba�ery
Flight Time: About 15 minutes
Max Charging Time: About 90 minutes
Capacity: 1300 mAh
Voltage: 3.7V
Recommend Control Height: 5M (16 feet)
Max RC Control Range: 100M (300 feet) (Unobstructed)
WIFI Camera Range: 35M (1100 feet) (Unobstructed, depending on condi�ons
and your mobile device)
Wind resistance level: Level 1 (Flight use during windy condi�ons is NOT
recommended)
Auto-Hovering: Enabled
Remote Control Opera�ng Frequency: 2.4 GHz
Remote Control Ba�ery: 3*AA
Remote Control Opera�ng Voltage: 3.7V
Camera Lens: FOV 60°
Adjustable Angle of Lens: -90° to 15°
S�ll Photography Mode: Single shot
Photo Format: JPEG
Video Format: MP4
Opera�ng Temperature Range: 32°to 104°F ( 0°to 40°C)
Mobile App: “Con�xo F21” in App Store & Google Play Store
Live View Working Frequency: 2.4 GHz ISM
1080P
Phone
Photo
Video
1920X1080P
1920X1080P
15 fps
F21
CAMERA STORAGE RESOLUTION
FRAME PER
SECOND
- 24 -
Technical Support
TROUBLE SHOOTING
Drone does not respond
to user controls.
The blades spin, but the
drone cannot take off.
The drone shakes
heavily.
Drone does not stabilize
during flight with fine
tuning.
1. The blades distorted.
2. Defec�ve motor.
The blades distorted. Replace the blades.
1. Replace the blades.
2. Replace the motor.
1. Remote is not synced to
the drone.
2. Insufficient ba�ery power.
1. Refer to page 13-14 (Flight).
2. Recharge the ba�ery.
1. Recharge the ba�ery.
2. Replace the blades.
Problem Cause Solu�on
1. Insufficient ba�ery power.
2. The blades distorted.
3. The blades Side A and Side
B are reversed.
E-mail: support@con�xo.com
Mon-Fri 9:00 am - 4:00 pm PST
Have ques�ons?
Drone cannot takeoff a�er
accident.
Four-axis accelera�on sensor
loses balance.
Recalibrate compass.
CONTACT INFORMATION
E-Mail: support@con�xo.com
Website: www.con�xo.com
©2023 Con�xo Inc. All rights reserved. Con�xo®, the Con�xo logo and
associated characters, trademarks and design elements are owned and
licensed by Con�xo Company.
