1. Introduction and Overview
Thank you for choosing the MEKEDE DUDU7 7870 Car Radio Stereo. This advanced head unit is designed to enhance your driving experience with cutting-edge features and seamless integration. It runs on DUDU OS 3.5, offering both simplified and enthusiast modes for flexible operation. Powered by the high-performance UIS7870 processor, it delivers superior speed and responsiveness.
Key features include Wireless Carplay and Android Auto for smartphone integration, Dual Band GPS (L1+L5) for precise navigation, and an exceptional audio experience thanks to the AKM7739 DSP Velvet Audio Technology, TDA7808 Digital Amplification, and Qualcomm 3031 Bluetooth with aptX HD support. The unit also boasts a vibrant 2K QLED screen and a Digital Noise Cancelling Microphone for clear communication.
This manual provides detailed instructions for installation, operation, maintenance, and troubleshooting to ensure you get the most out of your new car radio stereo.
Video: Overview of the DUDUAUTO new automotive central control system, showcasing UI, features, and hardware components.
2. Setup and Installation
2.1 Compatibility Note
IMPORTANT: The original car with a factory screen and/or a factory camera may not support direct installation of this unit. Please verify your vehicle's existing setup before proceeding.

Image: Illustrates a compatibility warning for vehicles with existing screens or cameras, showing typical old car radio connectors that might not be compatible.
2.2 Package Contents
The package contents vary slightly depending on the specific DUDU model (DUDU3, DUDU4/5, DUDU6, DUDU7). Please refer to the image below for a detailed breakdown of what is included with each model.

Image: Package contents for DUDU6 and DUDU7 models.

Image: Package contents for DUDU4 and DUDU5 models.

Image: Package contents for DUDU3 model.
2.3 Wiring and Connections
Before installation, ensure the vehicle's power is off. Carefully remove your existing car radio stereo. Connect the provided power cable, RCA cables, antennas, and other accessories to the corresponding ports on the back of the DUDU head unit. The specific port layout varies by model.

Image: Backside display of DUDU7, DUDU6, DUDU4/5, and DUDU3 models, highlighting connection ports and cooling fan.
DUDU7 Back Panel Connections:
- A: RCA Cable (4G Card Slot)
- B: 360° Panoramic Device (for DUDU7 only)
- C: Reverse Video Cable
- D: 6Pin USB
- E: 4Pin USB
- F: Protocol Serial Use with Can-bus
- G: Power Cable
- 4: 4G Antenna
- 6: GPS Antenna
- 7: WIFI
- 8: Radio Antenna
- MIC: Microphone Input
- Type-C: USB Type-C Port
- COAXIAL OPTICAL: Audio Out, Modified Amplifier
Ensure all connections are secure before mounting the head unit into the dashboard. Test the unit's functionality before fully reassembling the dashboard.

Image: Before and after installation of the DUDU7 car radio stereo in a Honda CR-V.
3. Operating Instructions
3.1 DUDU OS 3.5 Interface
The DUDU OS 3.5 offers a user-friendly interface with two main modes: Simplified and Enthusiast. You can customize the layout, widgets, and themes to suit your preferences.
- Simplified Mode: Designed for ease of use, allowing quick access to essential functions. Widgets can be freely dragged, resized, and customized.
- Enthusiast Mode: Offers advanced customization with 4 modes, 6 layouts, 15 widgets, and over 70 themes for a personalized experience.

Image: Simplified Mode UI examples.

Image: Enthusiast Mode UI examples.
3.2 Navigation (GPS)
The DUDU7 features a built-in Dual Band GPS (L1+L5) 6-mode positioning chip, providing highly accurate and fast positioning. This supports lane-level navigation with positioning accuracy up to 1 meter.

Image: Dual Band GPS L1+L5 details, showing improved accuracy and speed.
3.3 Audio System
Experience superior sound quality with the DUDU7's advanced audio components:
- AKM7739 DSP Velvet Audio Technology: Features DTS 5.1 surround sound and an advanced sound correction system for a natural, immersive acoustic experience.
- TDA7808 Digital Amplification: The new generation TDA7808 digital-enhanced Class AB power amplifier ensures pure sound reproduction with I2C bus control and a built-in digital-to-analog converter.
- Qualcomm 3031 Bluetooth with aptX HD: Delivers 24-bit/48kHz encoding for near-lossless HD audio quality over wireless connections.
You can also customize sound profiles and download profiles created by other users through the 'Sound Masters' feature.

Image: AKM7739 DSP Velvet Audio Technology details.

Image: Car Audio Enthusiasts' Choice, showing audio signal processing.

Image: Sound Masters: Share Your Experience, showing audio tuning options.
3.4 Vehicle Integration
The DUDU7 seamlessly integrates with your vehicle's original functions, allowing you to monitor various vehicle data and control certain features directly from the head unit.
- Vehicle Information: Access real-time data such as RPM, speed, fuel analysis, energy flow, and vehicle leveling.
- A/C Floating Window: Control your car's air conditioning settings.
- Seat Ventilation Control: Adjust seat heating/cooling (if supported by your vehicle).

Image: Enhanced Intelligence with Original Functions Preserved, showing vehicle data and controls.
3.5 Smartphone Connectivity
- Wireless Carplay & Android Auto: Connect your smartphone wirelessly or via the built-in USB Type-C port for seamless access to navigation, music, calls, and messages.
- USB 3.2 Gen 1 Type-C Port: Offers 10x faster transfer speeds compared to USB 2.0 for wired connections.

Image: Better BT Sound with aptX HD and Built-in Type-C port features.
3.6 Camera Systems (DUDU7 Specific)
The DUDU7 supports advanced camera systems for enhanced safety and recording.
- 360° Panoramic Recording System: Utilizes four cameras (front, rear, left, right) to provide comprehensive 360-degree recording coverage, eliminating blind spots.
- Front & Rear Video Recording: Offers continuous video recording from front and rear cameras, even without engaging reverse gear.
- 5 Assistive Modes: Includes 3D Surround Mode, Reverse Mode, Pull Over Mode, Starting Mode, and Turning Mode for various driving scenarios.

Image: 360° Panoramic Recording System overview.

Image: 5 assistive modes for panoramic view.
3.7 Other Features
- Digital Noise Cancelling MIC: Uses HD digital signal transmission and advanced noise reduction algorithms for clear voice delivery, even in noisy environments.
- Rear Seat Entertainment Solution: Dual-screen capability via Type-C connection for simultaneous navigation and entertainment for rear passengers (additional hardware required).
- Intelligent Device Integration: Supports external devices like USB TPMS, BT SWC, 2K ADAS DVR, and Thermometer (optional accessories).
- OTA Online Update: Keep your system updated with the latest features and improvements.

Image: Digital Noise Cancelling MIC details.

Image: Intelligent Device Integration options.
4. Maintenance
- Screen Cleaning: Use a soft, lint-free cloth slightly dampened with water or a screen cleaner. Avoid harsh chemicals.
- Software Updates: Regularly check for and install OTA (Over-The-Air) updates to ensure optimal performance and access to new features.
- General Care: Avoid exposing the unit to extreme temperatures or direct sunlight for prolonged periods.
5. Troubleshooting
If you encounter issues with your DUDU7 head unit, please try the following steps:
- No Power: Check all power connections to ensure they are securely plugged in. Verify the vehicle's fuse box for any blown fuses related to the radio.
- No Sound: Check speaker connections. Ensure the volume is not muted or set too low. Verify audio settings in the DUDU OS.
- GPS Signal Issues: Ensure the GPS antenna is properly installed and has a clear line of sight to the sky. Check GPS settings in the system.
- Touchscreen Unresponsive: Try restarting the unit. If the issue persists, a factory reset might be necessary (note: this will erase all user data).
- Bluetooth Connectivity Problems: Ensure Bluetooth is enabled on both the head unit and your device. Try unpairing and re-pairing the devices.
- Carplay/Android Auto Not Connecting: Ensure your phone is compatible and the connection (wired or wireless) is stable. Try a different USB cable if using a wired connection.
- System Lag/Freezing: Close unnecessary applications. Clear cache if possible. If persistent, consider a factory reset or checking for software updates.
For complex issues not resolved by these steps, please contact customer support.
6. Specifications
The following table outlines the general specifications for the DUDU series head units. Note that specific features and configurations may vary by model (DUDU3, DUDU4, DUDU5, DUDU6, DUDU7).

Image: Detailed comparison table of DUDU models.
| Feature | Specification |
|---|---|
| Brand Name | MEKEDE |
| Processor Type | UIS7870 (8-Core, 6nm EUV, 2.7GHz) |
| RAM | 6G / 8G / 12G (DUDU7 models) |
| ROM | 64G / 128G / 256G / 512G (DUDU7 models) |
| Operating System | Android |
| Display Size | 9" / 9.5" |
| Resolution | 1280*800 / 2000*1200 (2K QLED) |
| Out Power | 4*45w |
| Voltage | 12 V |
| Item Weight | 1.6kg |
| Max External Memory | 256G |
| Special Features | Built-In Speaker/Microphone, WiFi, 3G/4G Network Support, Built-in GPS, Charger, Mobile Phone, MP3 players, DSP, CarPlay, Android Auto, Reversing Input, Split Screen, Steering Wheel Control |
| Digital Media Format | Mp3, MP4, WMA, JPEG |
| OSD Language | Chinese (Simplified), Chinese (Traditional), Arabic, Estonian, Bulgarian, Polish, Danish, German, Russian, French, Finnish, Korean, Dutch, Czech, Croatian, Latvian, Romanian, Portuguese, Japanese, Thai, Hebrew, Spanish, Hungarian, Italian, English |
| Certification | CE |
| Wireless Carplay | Support |
| Android Auto | Support |
| Screen Type | QLED |
| AV Output | Support (optional) |
| Voice Control System | Support (optional) |
| FM RDS | Support |
| Optional Accessories | DVR, OBD, DAB, TPMS |
| Bluetooth | BT5.0 Qualcomm 3031 (Supports aptX HD) |
| Cooling Fan | Support |
| Steering Wheel Control | Support |
| GPS Navigation | Support (Dual GPS L1+L5) |
| 360 Panoramic Camera | Only DUDU7 8+128G /12+256G/12+512G Support |
| DSP | AKM7739 DSP (Only DUDU7 Support) |
| Amplifier | TDA7808 (Only DUDU7 Support) |
| Microphone | Digital noise cancelling MIC (Only DUDU7 Support) |
7. User Tips
- Customize Your Interface: Explore both Simplified and Enthusiast modes in DUDU OS 3.5. Experiment with different layouts, widgets, and themes to create a personalized and efficient dashboard.
- Utilize Vehicle Data: Take advantage of the integrated vehicle information display to monitor fuel analysis, energy flow, and other vital statistics for better driving awareness.
- Optimal GPS Performance: For the most accurate lane-level positioning, ensure your GPS antenna is installed in a location with an unobstructed view of the sky.
- Enhance Audio Experience: Dive into the sound tuning options under 'Sound Masters' to adjust EQ, filters, and reverberation to match your audio preferences.
- Stay Updated: Regularly perform OTA (Over-The-Air) software updates to benefit from the latest features, performance improvements, and bug fixes.
- 360 Camera System: If your DUDU7 model supports the 360 panoramic camera, ensure all four cameras are correctly installed and calibrated for comprehensive surrounding visibility.
8. Warranty and Support
8.1 Warranty Information
This product comes with a 3-year warranty. Please retain your proof of purchase for warranty claims. The warranty covers manufacturing defects and malfunctions under normal use. It does not cover damage caused by improper installation, misuse, accidents, or unauthorized modifications.
8.2 Customer Support
For any technical assistance, troubleshooting, or warranty inquiries, please contact the MEKEDE EU Local Store customer support. Provide your product model and a detailed description of the issue to receive prompt assistance.





