1. Introduction
Thank you for choosing the SIMREX X800 Drone. This manual provides essential information for the safe operation and maintenance of your drone. Please read it thoroughly before first use to ensure proper functionality and to maximize your flying experience. The SIMREX X800 is a compact, foldable RC quadcopter designed for both beginners and experienced users, featuring a 1080P camera, altitude hold, one-key start/landing, headless mode, 3D flips, and multiple speed settings.
2. Safety Guidelines
Adhering to these safety guidelines is crucial for preventing accidents and ensuring safe operation of your drone.
- The aircraft is designed for users aged 14 years and older.
- Adult supervision is always advisable, especially for younger users.
- Always ensure your flight area is free of all obstacles before operating the drone.
- Remove all batteries from the drone and controller when not in use.
- Never overcharge the batteries.
- Never leave batteries unattended while charging.
- Avoid touching the aircraft motors during or immediately after flying, as they can become hot.
- Never touch the rotating blades when they are in motion.
- If the aircraft becomes damaged, discontinue use immediately.
- Do not dispose of any parts of the drone or controller in general waste; all parts should be recycled according to local regulations.
- The drone battery should not be exposed to high temperatures or disposed of in fire.

Image: The SIMREX X800 drone, its remote controller, two batteries, and the drone in its folded state.
3. Package Contents
Verify that all items are present in your package:
- SIMREX X800 Drone (1)
- Remote Controller (1)
- Rechargeable Drone Batteries (2)
- USB Charging Cable (1)
- Spare Propellers (4)
- User Manual (1)
- Screwdriver (1)

Image: A visual representation of the SIMREX X800 drone, its remote controller, two batteries, spare propellers, and charging cable, laid out as included in the package.
4. Component Identification
Familiarize yourself with the main components of your SIMREX X800 drone and its remote controller.
4.1 Drone Components
- Propellers: Four rotating blades for lift and propulsion.
- Motors: Drive the propellers.
- Camera: Front-facing 1080P camera for photo and video capture, with adjustable angle.
- Optical Flow Sensor: Located on the bottom, assists with stable hovering.
- Battery Compartment: Houses the drone's rechargeable battery.
- LED Indicator Lights: Provide status information.
- Foldable Arms: Allow for compact storage and portability.
4.2 Remote Controller Components
- Left Joystick: Controls altitude (up/down) and rotation (left/right).
- Right Joystick: Controls forward/backward and left/right movement.
- One-Key Take-off/Landing Button: Initiates automatic take-off or landing.
- Speed Switch Button: Toggles between low, medium, and high-speed modes.
- Headless Mode Button: Activates/deactivates headless mode.
- 3D Flip Button: Initiates a 360-degree flip.
- Phone Holder: Secures your smartphone for FPV viewing and app control.
- Power Button: Turns the controller on/off.
5. Setup
5.1 Charging the Drone Battery
- Remove the drone battery from the drone.
- Connect the USB charging cable to the battery.
- Plug the USB cable into a 5V/1A USB power adapter (not included).
- The indicator light on the cable will show charging status (refer to cable instructions for specific light behavior).
- Charging typically takes approximately 60-90 minutes. Do not overcharge.
5.2 Installing Drone Battery
- Ensure the drone is powered off.
- Insert the fully charged battery into the battery compartment on the back of the drone until it clicks into place.
5.3 Installing Controller Batteries
- Open the battery cover on the back of the remote controller.
- Insert 2 AAA batteries (included) into the compartment, ensuring correct polarity.
- Close the battery cover.
5.4 Unfolding the Drone
- Gently unfold the front arms of the drone, then the rear arms, until they lock into position.
5.5 App Installation (Optional for FPV and Advanced Features)
For First Person View (FPV) and access to advanced features like Waypoint Fly and Gravity Control, download the SIMREX drone app.
- Scan the QR code provided in the physical manual or on the product packaging.
- Alternatively, visit www.simrex.com.cn/download_zoomy.html to download the app for iOS or Android devices.
- Install the app on your smartphone.

Image: The SIMREX X800 drone in flight, illustrating its ease of use for beginners with features like One Key Start/Landing, Headless Mode, and Optical Flow Positioning.
6. Operating Instructions
6.1 Pairing Drone and Controller
- Place the drone on a flat, level surface.
- Press and hold the power button on the drone until the LED lights start flashing.
- Turn on the remote controller. The controller's indicator light will flash.
- Push the left joystick up and then down. The drone and controller lights will become solid, indicating successful pairing.
6.2 One-Key Start/Landing
- Take-off: After pairing, press the One-Key Take-off/Landing button. The drone will automatically ascend and hover at a stable altitude.
- Landing: During flight, press the One-Key Take-off/Landing button again. The drone will slowly descend and land automatically.
6.3 Basic Flight Controls
- Altitude (Left Joystick Up/Down): Push the left joystick up to increase altitude, pull down to decrease.
- Rotation (Left Joystick Left/Right): Push the left joystick left to rotate counter-clockwise, right to rotate clockwise.
- Forward/Backward (Right Joystick Up/Down): Push the right joystick up to fly forward, pull down to fly backward.
- Left/Right Movement (Right Joystick Left/Right): Push the right joystick left to fly left, right to fly right.
6.4 Altitude Hold
The SIMREX X800 features an altitude hold function, allowing the drone to maintain a stable height automatically, making it easier to control and capture steady photos/videos.

Image: A child and an adult operating SIMREX X800 drones, illustrating the Altitude Hold feature for stable hovering.
6.5 Headless Mode
In Headless Mode, the drone's orientation is relative to the pilot, regardless of which way the drone's front is facing. This simplifies control for beginners.
- Press the Headless Mode button on the controller to activate.
- Press again to deactivate.

Image: A SIMREX X800 drone flying over grass with a child, illustrating how Headless Mode helps adjust direction regardless of the drone's orientation.
6.6 3D Flip
Perform exciting 360-degree flips with a single button press.
- Fly the drone to a sufficient height (at least 3 meters).
- Press the 3D Flip button on the controller.
- Immediately push the right joystick in the desired direction (forward, backward, left, or right) to execute the flip.

Image: A sequence showing the SIMREX X800 drone executing a 360-degree flip, alongside illustrations of three-speed modes and waypoint flight.
6.7 Waypoint Fly (via App)
Plan your flight path by drawing a route on your smartphone screen.
- Connect your smartphone to the drone's Wi-Fi network.
- Open the SIMREX app and select Waypoint Fly mode.
- Draw the desired flight path on the map. The drone will follow this route automatically.

Image: A SIMREX X800 drone flying outdoors, with a smartphone screen showing a drawn flight path for the Waypoint Fly feature.
6.8 Speed Modes
The drone offers three speed settings to suit different skill levels and flying conditions.
- Press the Speed Switch button on the controller to cycle through Low, Medium, and High speeds.

Image: A visual representation of the SIMREX X800 drone flying at three different speeds: Low, Medium, and High.
6.9 Camera Operation (via App)
The drone's 1080P camera allows for real-time FPV and recording photos/videos.
- Connect your smartphone to the drone's Wi-Fi network.
- Open the SIMREX app to view the live camera feed.
- Use the app interface to take photos or start/stop video recording.
- The camera angle can be manually adjusted before flight.

Image: The SIMREX X800 drone highlighting its 1080P HD camera with a 90-degree adjustable lens, capable of capturing photos and videos.
7. Maintenance
7.1 Cleaning
- Use a soft, dry cloth to clean the drone and controller.
- Do not use water or chemical cleaners, as they may damage electronic components.
- Regularly check propellers for dirt or debris and clean gently.
7.2 Battery Care
- Always remove batteries from the drone and controller when not in use.
- Store batteries in a cool, dry place, away from direct sunlight and extreme temperatures.
- Do not fully discharge batteries before storing for extended periods. Charge them to about 50% capacity.
7.3 Storage
- Fold the drone arms for compact storage.
- Store the drone and its accessories in a protective case or its original packaging to prevent damage.
8. Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Drone does not respond to controller. | Not paired; low battery; interference. | Re-pair drone and controller; charge batteries; move to an area with less interference. |
| Drone flies unstably or drifts. | Not calibrated; damaged propellers; strong wind. | Perform gyroscope calibration (refer to app/manual for steps); replace damaged propellers; fly in calm conditions. |
| Short flight time. | Battery not fully charged; old battery; aggressive flying. | Ensure battery is fully charged; consider replacing old batteries; fly at lower speeds. |
| No FPV feed in app. | Not connected to drone Wi-Fi; app not open. | Connect phone to the drone's Wi-Fi network; ensure the app is running and FPV mode is selected. |
| Drone crashes after 3D flip. | Insufficient height; incorrect execution. | Ensure drone is at least 3 meters high before attempting a flip; push joystick immediately after pressing flip button. |
9. Specifications
| Feature | Detail |
|---|---|
| Brand | SIMREX |
| Model Name | X800 |
| Special Feature | First Person View (FPV), Altitude Hold, Headless Mode, 3D Flip, Waypoint Fly |
| Age Range (Description) | Adult, Kid (14+) |
| Color | White |
| Video Capture Resolution | 1080p (1920x1080 Pixels) |
| Connectivity Technology | Wi-Fi (for FPV), Bluetooth (for Remote Control) |
| Included Components | Drone, Remote Control, 2 Batteries, USB Charging Cable, Spare Propellers, User Manual, Screwdriver |
| Skill Level | Beginner |
| Item Weight | 96 Grams (3.39 ounces) |
| Drone Battery Capacity | 1000 Milliamp Hours |
| Controller Batteries | 2 AAA batteries (included) |
| Maximum Range | 100 Meters |
| Material | Plastic |
| Product Dimensions | 1.8"L x 4.5"W x 1.6"H (folded) |
10. Warranty and Support
For any assistance, questions, or support regarding your SIMREX X800 drone, please contact SIMREX customer service.
- Email: simrex.service@outlook.com
- Manufacturer: Shenzhen SIMREX Technology Co., Ltd.
- App Download: www.simrex.com.cn/download_zoomy.html
Please retain your purchase receipt for warranty purposes. Specific warranty terms and conditions may vary by region and retailer. Contact customer support for detailed warranty information.


