1. Introduction
Thank you for choosing the FERIETELF B12 Drone. This manual provides essential information for the safe operation, setup, and maintenance of your drone. Please read it thoroughly before your first flight to ensure proper usage and to maximize your flying experience.
Safety Guidelines
- Always operate the drone in open, clear areas, away from people, animals, and obstacles.
- Ensure the drone is fully charged and calibrated before each flight.
- Do not fly in strong winds (above Level 4) or adverse weather conditions.
- Maintain visual line of sight with the drone at all times.
- This drone weighs less than 250g, so FAA registration is not required in the United States. However, always check local regulations.
- Keep fingers and loose objects away from rotating propellers.
2. Package Contents
The FERIETELF B12 Drone package includes the following items:
- FERIETELF B12 Drone (Grey)
- Remote Control
- Intelligent Batteries (2 included)
- USB Charging Cable (charges multiple batteries)
- Spare Propellers (enough to replace all)
- Screwdriver
- Operating Manual
- Software Instructions
- Carrying Case

Image: All items included in the FERIETELF B12 Drone package, neatly organized within its protective carrying case.
Unboxing Video
Video: A detailed overview and unboxing of the FERIETELF B12 Drone, showcasing all included components and the carrying case.
3. Product Overview
Drone Components

Image: The FERIETELF B12 Drone, showcasing its unfolded design, propellers, and front-facing 4K camera.

Image: The FERIETELF B12 Drone in its compact, folded state, highlighting its portability.

Image: Visual representation of the drone's dimensions when folded (5.62 x 3.14 x 1.96 inches) and unfolded (12 x 10 x 1.96 inches).
Remote Control Layout

Image: The remote control for the FERIETELF B12 Drone, showing its foldable design and extended phone holder.

Image: A detailed diagram of the remote control, indicating the functions of each button and joystick, including speed switching, camera orientation adjustment, optical flow/GPS mode, headless mode, gyroscope calibration, one-key return, power switch, and joysticks for throttle and direction.
4. Setup
Battery Installation
- Insert 4 AAA batteries into the remote control, ensuring correct polarity.
- Slide the intelligent flight battery into the drone's battery compartment until it clicks securely.

Image: The intelligent flight battery being inserted into the FERIETELF B12 Drone.
Propeller Installation/Replacement
- Identify the 'A' and 'B' propellers. Each propeller type must be installed on the corresponding motor arm as indicated on the drone.
- Use the provided screwdriver to loosen the screw on the propeller hub.
- Remove the old propeller and replace it with the correct new one, ensuring it sits flush.
- Tighten the screw to secure the propeller.
App Download
Download the official FERIETELF drone application from the Google Play Store or Apple App Store. Scan the QR code provided in the software instructions manual for direct links.
5. Calibration
Proper calibration is crucial for stable and safe flight. Perform these steps before each flight.
Power On and Pairing
- Long press the power button on the drone for 3 seconds to activate it. The drone lights will illuminate.
- Power on the remote control. It will emit a "DI~" sound, indicating successful pairing with the drone. The drone's red lights will be steady, and green lights will flash.
Compass Calibration (Geomagnetism)
- Place the drone flat on a horizontal surface.
- Rotate the drone clockwise until it emits a "DI~" sound. The drone's arm lights will go out.
- Turn the drone over (camera facing down) and rotate it clockwise again until it emits a "DI~" sound. The drone's forearm will show a steady red light, and the rear arm will show a fast blinking green light.
Gyroscope Calibration
- Ensure the drone is placed horizontally on a flat surface.
- Short press the "L/STOP" button on the remote control. The remote will sound "DI~".
- The drone's forearm lights will change from fast blinking to slow blinking, indicating successful gyroscope calibration.
Satellite Search (GPS Mode)
- Place the drone flat with the battery compartment facing you.
- Wait for the drone to acquire GPS satellites. The drone's rear arm green light will rapidly flash, then become steady once enough satellites are found. This process can be affected by the environment; wide open areas are best.
- Important: Do not fly in GPS mode without completing the satellite search. Otherwise, there is a high possibility of losing the drone.
Calibration and Connection Video
Video: A step-by-step guide on how to calibrate the FERIETELF B12 Drone, including compass and gyroscope calibration, and remote control connection.
6. Operation
Propeller Start
Once paired and calibrated, simultaneously pull the left and right joysticks down diagonally 45 degrees. The drone will emit a "DI~" sound, and the propellers will start spinning.
One-Key Takeoff/Landing
Click the dedicated takeoff/landing button on the remote control. The drone will automatically take off vertically. Click it again to initiate an automatic vertical landing.
Flight Modes and Features
- GPS Positioning: Utilizes satellite signals for stable hovering and precise positioning.
- Optical Flow Positioning: Provides stable hovering indoors or in areas without GPS signal by using a downward-facing camera to detect ground patterns.
- Follow Me Mode: The drone will automatically follow the remote control or the connected smart device, keeping the subject in frame.
- Point of Interest: Set a point of interest, and the drone will circle around it, capturing footage.
- Waypoint Fly: Tap points on the map in the app to create a flight path, and the drone will fly along the route you set.
- Auto Return Home: In GPS mode, if the signal is lost or the battery is low, the drone will automatically return to its takeoff point. This function is most reliable after a successful satellite search.
- 5GHz FPV Transmission: Enjoy a live view from the drone's perspective on your smartphone with a strong 5GHz FPV signal, offering a control range of up to 1640ft (500m).
- 4K Camera: Capture stunning 4K photos and 2K HD videos with the 120° wide-angle camera, adjustable from 0-90°.

Image: Visual examples of the drone's intelligent GPS functions, including automatic return to home, following a subject, and circling a point of interest.

Image: The FERIETELF B12 Drone's 4K UHD SONY Camera, highlighting its 4K resolution, 120-degree wide-angle view, and 90-degree adjustable lens for versatile capture.
Flight Demonstration Video
Video: A demonstration of the FERIETELF B12 Drone's flight capabilities, showcasing its stability, camera quality, and various intelligent flight modes in action.
7. Maintenance
Battery Care
- Always use the provided USB charging cable to charge the intelligent flight batteries.
- Do not overcharge or completely discharge the batteries.
- Store batteries in a cool, dry place away from direct sunlight.
Propeller Replacement
Refer to the 'Propeller Installation/Replacement' section under Setup for detailed instructions on how to replace damaged propellers.
8. Troubleshooting
- Drone not powering on: Ensure the battery is fully charged and correctly inserted. Long press the power button for 3 seconds.
- Remote control not pairing: Ensure both the drone and remote are powered on and within range. Re-attempt the pairing process.
- Unstable flight: Perform a full compass and gyroscope calibration. Ensure you are flying in calm weather conditions.
- No FPV feed: Check your smartphone's Wi-Fi connection to the drone. Ensure the app is open and updated.
- Drone drifts: Recalibrate the gyroscope. Adjust trim settings on the remote control if necessary.
- One-Key Return not working correctly: Ensure the drone has successfully acquired GPS satellites before takeoff. This feature is less reliable in Optical Flow mode.
9. Specifications
| Feature | Detail |
|---|---|
| Brand | FERIETELF |
| Model Name | TY-B12 |
| Model Number | F-B1 |
| Item Weight | 164 Grams (Under 249g) |
| Video Capture Resolution | 4K |
| Effective Still Resolution | 8 MP (12MP stated in A+ content) |
| Connectivity Technology | Wi-Fi, RF (5GHz FPV) |
| Maximum Range | 1640 Feet (500m) |
| Battery Capacity | 1200 Milliamp Hours (per battery) |
| Flight Time | Up to 25 minutes per battery (50 minutes total with 2 batteries) |
| Special Features | Extended Flight Time, Waypoint Flight, 2-Axis Gimbal (camera movement), Auto Return Home, GPS Assist, Optical Flow Positioning, Brushless Motors, Level 4 Wind Resistance |
| Control Type | Remote Control |
| Age Range (Description) | Kid, Youth |
10. Warranty and Support
For warranty information and technical support, please refer to the documentation included in your package or contact FERIETELF customer service directly. Keep your purchase receipt for warranty claims.