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SJRC F11 4K Pro Folding Aircraft

SJRC F11 4K Pro Folding Aircraft



In order to make sure that it meets the requirement of the electromagnetic environment of the aviation radio station, flying within the scope of 10 kilometers on each side by taking the airport runway centerline as the middle line is HIGHLY FORBIDDEN or flying within the scope of 20 kilometers by taking both ends of the runway as the center is HIGHLY FORBIDDEN. Flying on the route of the airline is also PROHIBITED. Stop using all kinds of flying models or unmanned Quad-rotors in the AREA that are prohibited by related authorities or departments of our country.

Thank you for purchasing the SJ-Series GPS aircraft. Please read all instructions and warnings carefully before operating. Please also keep this instruction manual for future reference and maintenance.
IMPORTANT: 1. This product should be operated by people who are over 14 years old. It is
a precision device; integrating machinery and electronics with air mechanics and high-frequency transmission. It requires correct assembly and debugging to avoid any accident. The user should operate and control this product in a safe manner. In case of incorrect operation, it may cause serious injury or damage to property. It can also be lost due to incorrect operation. 2. This product is suitable for experienced UAV pilots no less than 14 years of age. 3. In the event of a problem during using, operating, or maintenance, please contact the local sales agent or retailer or keep in touch with the responsible staff of our company.


This R/C aircraft can be dangerous when in use, please make sure you keep it far away from any persons or spectators when flying. Incorrect installation, poor conditions, or users not familiar with operation may cause damage to the aircraft or injure people or may cause an unexpected accident. Please pay close attention to flying safety and learn to recognize more dangerous conditions which may cause an accident due to your own negligence.

  1. .Keep it far away from any structures or crowds. This R/C aircraft may vary slightly in speed or sensitivity while flying and can cause potential danger. Therefore, please keep it far away from crowds, buildings, trees, structures, high-voltage wire, etc. Please also avoid flying in adverse weather conditions such as rain, electrical storms, and high winds to ensure safety of the user, any spectators, and surrounding property.
  2. Keep it away from any moist environment. The inside of the aircraft is composed of many precision electronic and mechanical parts. Therefore, please try to avoid any moisture or water content from entering the main body of the aircraft 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 SJ-Series for any re-equipping or maintenance to ensure flying safety. Please operate and use only under the scope of the product function permitted. Using un-approved parts will void warranty.
    DO NOT use for any illegal purpose or use beyond the scope of which your local laws and regulations have stipulated.
  4. Avoid controlling it independently. New users may have certain difficulties during the early stages of learning to operate this aircraft. Please try to avoid operating the aircraft alone. When available, always operate this aircraft under the guidance of a more experienced user.
  5. Do not operate under the influence of drugs or alcohol. Please operate this R/C aircraft according to your own state and flying skill. Any fatigue, bad mental state, or incorrect operation may increase the probability of accidental risk.
  6. Please keep a safe range from aircraft when using top speed. When the operator is flying in high speed, please keep the aircraft far from the pilot and any surrounding persons or objects so as not to cause danger or damage.
  7. Store it in a cool, dry place. The R/C aircraft is composed of material such as metal, fiber, plastic, electronics, etc. Therefore, please keep it away from any heat source and avoid prolonged exposure to direct sunlight. Excessive heat exposure can cause distortion and damage.

NOTE: 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 protection against harmful interference in a residential installation. This equipment generates, uses and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications.
However, there is no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful interfer-ence to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more of the following measures:

  • Reorient or relocate the receiving antenna.
  •  Increase the separation 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.
    ·Please note that changes or modifications not expressly approved by the party responsible for compliance could void the use’s authority to operate the equipment.


  1. There is important information contained in this package and instruction manual, please keep it for future reference.
  2. You have the responsibility to make sure that this model of aircraft won’t cause injury to others’ body or cause any damage to property.
  3. Please operate strictly as shown on the instruction manual when debugging or assembling this aircraft. During the process of flying or landing, please pay more attention to keep 1-2 meters between the user and the aircraft to avoid colliding to the head or face or body, which may cause injury.
  4.  Our company and distributors won’t be responsible for any incorrect operation, which may cause loss or damage or injury to the body.
  5. Children ages 14 and up should use this product under the guidance of an adult. This product is FORBIDDEN to be used by children under 14 years old.
  6.  Please correctly assemble and use this product as shown on the instruction manual or packing instruction. 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. Playing on the road or near high traffic areas is strictly FORBIDDEN so as not to cause an accident.
  9. Please dispose of the packing material timely so as not to cause injury to children.
  10. Please DO NOT disassemble or re-equip the aircraft as it may cause a breakdown of the aircraft during flying.
    Batteries in the battery compartment of the charger should be inserted into the designated power source which has the same logo as the product.
  11. Built-in rechargeable 3.7V lithium polymer battery included in the transmitter.
  12. Only the original charger made from our factory can be used.
  13. Charger is not a toy.
  14. When charging the battery, please conduct it under the surveillance of an adult.
  15. Please also keep it far away from any combustible object when charging. Please keep this aircraft within eyesight when charging.
  16. Please DO NOT make it short-circuited or squeeze the battery so as not to cause an explosion.
  17. DO NOT mix the Li-ion battery with a different type of battery
  18. Intelligent lithium battery is loaded in the Quad-rotor. Both built-in or external can be used for charging
  19. Please DO NOT make the battery short-circuited or decompose the battery or throw the battery into the fire; DO NOT place the batteries near the high temperature or heated area (such as near the fire or near the electric heating device).
  20. The aircraft should be kept far away from any other electric compliance or equipment as far as possible or kept far away from the place where having the magnetic object nearby as they may cause interference with each other
  21. Please keep the safe distance from the high-speed rotating rotor so as not to cause twisted or danger of being wounded or being cut.
  22. Engine will heat up. Please DO NOT touch it to avoid being burned or injured.
  23. Please DO NOT close this product to your ear as it may cause injury to your hearing
  24. Mini USB 5V wall charger recommended for charging. DO NOT use any charger stronger than 5V.
  25. To comply with the command of the magnetic environment requirement formulated by the Aviation Radio Bureau and the related authority, during the regulated period in certain areas, please stop using the transmitter of this model when such regulation command is issued
  26. Keep your UAS within sight.
  27. Never fly over groups of people.
  28. Never fly over stadiums or sports events.
  29. Understand airspace restrictions and requirements.

WARNING: Product should only be used by adults and children 14 years and older. Adult supervision required for children under 14 years of age.

SJRC F11 4K Pro Folding Aircraft fig 1


SJRC F11 4K Pro Folding Aircraft fig 2

Avoid flying over or near obstacles, crowds, high voltage power lines, trees, airport or bodies of water. DO NOT fly near strong electromagnetic sources such as power lines and base stations as it may affect the onboard compass.
SJRC F11 4K Pro Folding Aircraft fig 3It’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.


  1. Throttle stick
  2. Direction stick
  3. Click once speed switch
  4. Click once then keep pressing for 3 seconds to emergency stop
  5. Click once power on; Click once then keep pressing for 3 seconds power off
  6. Click once to RTH mode; Keep pressing for 5 seconds switch to normal mode, GPS mode
  7. Zoom in and out
  8. Gimbal Dial:Controls the camera’s tilt
  9. Shooting
  10. Recording

SJRC F11 4K Pro Folding Aircraft fig 4

SJRC F11 4K Pro Folding Aircraft fig 5

Tip: When the transmitter is in low power, the power indicator light on the transmitter will keep flashing, now you need to charge the transmitter.


SJRC F11 4K Pro Folding Aircraft fig 6

  1. 2 axis mechanical gimbal with 4K electronic image stabilization camera
  2. Propeller
  3. Motor
  4. LED indicator
  5.  Intelligent battery

A. Open the gimbal cover buckle.

B. Pull the gimbal cover up then gently take it off.

SJRC F11 4K Pro Folding Aircraft fig 7


Please note that the letter “A” or “B” is printed on each propeller, and make sure all the propellers are attached in the correct motor position.

SJRC F11 4K Pro Folding Aircraft fig 8


SJRC F11 4K Pro Folding Aircraft fig 91. Battery switch 2. Battery power indicator 3. USB charging port

— Hold the switch button for 3 sec. power on; then press the button for 3 sec. power off.
— When the battery in low voltage,Blue indicators will be blinking, now please charge the battery.


SJRC F11 4K Pro Folding Aircraft fig 10SJRC F11 4K Pro Folding Aircraft fig 11

  • Phone adapter: 5V 3A
    (Not included)
  • Charging time: About 4.5 hours (Depending on Charging adapter)
  • Remote control charging method


  1.  Either power on or power off, the aircraft can be charged. Connect the USB charger to a DC power supply(4.5V-5.5V,2A-3A), and then connect with the charging port of the aircraft, when in charging, the indicator on the aircraft will become Blue blinking; when fully charged, the indicator on the aircraft will turn to solid blue.
  2. Quad-copter can be charged by mobile power or carb-loaded power.
  3. Charging time takes about 4.5 hours; operating time takes about 26min.
  4. The remote control is built-in 3.7V 300mAh lithium polymer battery, charging time takes about 25min.

(Battery indicators turn RED during charging; Indicators turn to SOLID BLUE when fully charged).
(When in charging, the indicator on the transmitter become Red; when fully charged, the indicator on the transmitter will turn to solid Green).


SJRC F11 4K Pro Folding Aircraft fig 12FLIGHT

Step 1: Turn on the aircraft and set it down on a level surface

— The aircraft will auto-trim to this level surface.
— Four aircraft arms — Blinking Red.

SJRC F11 4K Pro Folding Aircraft fig 13POINT OF INTEREST

SJRC F11 4K Pro Folding Aircraft fig 14


  1. Hovering the aircraft around the center point.
  2. Press ” + “on the transmitter at the same time.
  3. Moving and setting the aircraft surround radius range (within 2 meters-100
    meters)by the Direction Joystick.
  4. Press ” + ” on the transmitter at the same time again, then the aircraft starts to fly around according to the radius range you set in STEP 2 (Note: If the surround radius range less than 2 meters, the aircraft will fly to 2 meters automatically) . Move the Direction Joystick to cancel the Point of Interest mode. NOTE: Press ” + ” on the transmitter at the same time, Point of Interest Function” can be activated if the aircraft and transmitter sucessfully paired and the aircraft flies up .


  • Drone
    MODEL: F11 4K PRO
    Weight (Including Battery): 585g/20.6oz
    Flight Time: About 26 min
    Motor Model: 1806
    Operating Temperature Range: 32° to 104° F ( 0° to 40° C)
    Satellite Systems: GPS/GLONASS
    Dimensions (LxWxH): Unfolded: 45X40.5X8(cm)
  • Gimbal Stabilization: 2-axis (tilt,roll)
    Machanical Range: Tilt About -100°TO+70°  Roll About -35°TO+35°
    Controllable Range: Adjusted angle of camera (up and down): About -80°TO+0°
    Equivalent Focal Length: 60CM
    Focus range: Fixed-focus
    Resolution of photo: Phone 3840X2160P
    SD card 3840X2160P Resolution of video: Phone 1280X720P
    SD card 3840X2160P
    Photo Format: JEPG
    Video Format: MP4 Supported
    SD Cards: Micro SD card (Class 10/U1 or later) 32G-128G
    Supported File Systems: FAT32
    SJRC F11 4K Pro Folding Aircraft fig 15


Photo 3840X2160P
Video 1280X720P 30 fps

SD card

Photo 3840X2160P 30 fps
Video 3840X2160P
  • Transmitter
    Operating Frequency: 2.4 GHz
    Capacity: 300 mAh
    Operating Voltage: 3.7V
    Max transmission distance: Up to 1500m (Outdoor and unobstructed ) Max Charging Time: 25 min
    Operationg Time: About 11 Hours
    Mobile Device Holder: 4.7˝ to 6.5˝ Smart Phones
    Operating Temperature: 32° to 104° F ( 0° to 40° C )
  • Intelligent Flight Battery
    Capacity: 2500 mAh
    Voltage: 11.1V
    Battery Type: Li-polymer
    Energy: 27.75Wh
    Net Weight: 195 g / 6.8 oz
    Max Charging Power: 15W
    Max Charging Time: About 4.5 hours (Depending on Charging Power) Charging Temperature Range: 32° to 104° F ( 0° to 40° C )
  • USB Cable
    Voltage: 5V 3A
    Rated Power: ≤15 W

PARTS LIST (Included)

SJRC F11 4K Pro Folding Aircraft fig 16


Drone lights flashing and no response from the drone when operating. 1. Remote is not synced to the drone.

2. Insufficient battery power.

1. Refer to the Quick Start guide and re-sync the drone.

2. Recharge the battery.

The blades spin, but the drone cannot takeoff. 1. Insufficient battery power.

2. The blades distorted.

1. Recharge the battery.

2. Replace the blades.

The quadcopter shakes heavily. The blades distorted. Replace the blades.

Drone cannot stay balanced in flight.

1. The blades distorted.

2. The motor doesn’t work properly.


1. Replace the blades.

2. Replace the motor.

Documents / Resources

SJRC F11 4K Pro Folding Aircraft [pdf] Instruction Manual
F11-4K-PROA, F114KPROA, 2ALUJF11-4K-PROA, 2ALUJF114KPROA, F11 4K Pro Folding Aircraft, 4K Pro Folding Aircraft

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