1. Introduction
This manual provides detailed instructions for the installation, operation, and maintenance of your MekedeTech DUDUAUTO DUDU7 12.9-inch Android Car Stereo. Please read this manual thoroughly before using the product to ensure proper functionality and safety. The DUDU7 model features a 12.9-inch 1920x1200 high-resolution display, 12GB RAM, 256GB storage, and a powerful Unisoc UIS7870 chipset. It includes a built-in 360-degree backup camera chip and supports Wireless CarPlay and Android Auto.

Figure 1.1: Front view of the MekedeTech DUDUAUTO DUDU7 car stereo with dimensions.
2. Setup and Installation
Proper installation is crucial for the optimal performance of your car stereo. It is highly recommended that installation be performed by a qualified professional. For vehicle-specific installations, a compatible plate trim cover and CANBUS box may be required and are sold separately.
2.1. Pre-Installation Checklist
- Ensure all components listed in the package contents are present.
- Verify compatibility with your vehicle's electrical system and dashboard opening.
- Disconnect the vehicle's battery before starting installation to prevent electrical damage.
2.2. Wiring Connections
Connect the provided power cable, RCA cables, USB cables, microphone, GPS antenna, and reversing camera input to the corresponding ports on the head unit and your vehicle's wiring harness. Refer to your vehicle's wiring diagram for specific connections.

Figure 2.1: Package contents, including various cables and accessories for installation.
2.3. Mounting the Head Unit
Secure the head unit into the dashboard opening using the provided metal brackets. Ensure a snug fit and proper alignment. If using a vehicle-specific frame, install it according to the frame manufacturer's instructions.

Figure 2.2: Example of installation frames for different display sizes.
2.4. Initial Power-Up
After all connections are made and the unit is securely mounted, reconnect the vehicle's battery. Turn on the vehicle's ignition. The unit should power on automatically. Follow any on-screen prompts for initial setup, such as language selection and time zone.
3. Operation Guide
3.1. User Interface (DUDU OS)
The DUDU7 operates on DUDU OS, offering both simple and enthusiast modes for a streamlined user experience. Navigate through menus and applications using the 12.9-inch touchscreen display.

Figure 3.1: DUDU OS 3.5 user interface showcasing various modes.
The system also supports custom dynamic wallpapers and various display modes (daytime, light, dark, night) for personalized aesthetics.

Figure 3.2: DUDU OS 3.0 interface with dynamic wallpapers and display modes.
3.2. Wireless CarPlay & Android Auto
Connect your iPhone or Android smartphone wirelessly to access navigation, music, messages, and more directly on the car stereo display.
- For Wireless CarPlay: Ensure Bluetooth and Wi-Fi are enabled on your iPhone. On the DUDU7, open the CarPlay application and follow the on-screen instructions to pair your device.
- For Wireless Android Auto: Ensure Bluetooth and Wi-Fi are enabled on your Android phone. On the DUDU7, open the Android Auto application and follow the on-screen instructions to pair your device.
3.3. Bluetooth 5.0 Connectivity
The DUDU7 features a Qualcomm 3031 Bluetooth chip for superior wireless connectivity, offering ultra-low power consumption, fast data transmission, and stable signal connection.
- Pairing: Go to the Bluetooth settings on the DUDU7. Enable Bluetooth on your mobile device and search for available devices. Select 'DUDU7' from the list and confirm the pairing code.
- Hands-Free Calling: Once paired, you can make and receive calls directly through the car stereo. The digital noise-canceling microphone ensures clear communication.
- Audio Streaming: Stream music from your paired device to the car stereo.
3.4. GPS Navigation
Equipped with an advanced 6-mode positioning chip with L1+L5 dual-frequency technology, the DUDU7 provides fast satellite acquisition and lane-level navigation precision.
- Ensure the GPS antenna is properly installed and has a clear view of the sky.
- Open your preferred navigation application on the DUDU7.
- Input your destination and follow the voice and visual prompts.
3.5. Audio Features
The DUDU7 incorporates AKM7739 DSP Velvet Audio Technology and a TDA7808 digital amplifier for enhanced sound quality. It supports optical and coaxial audio outputs, as well as RCA 5.1 channel outputs.

Figure 3.3: Audio components featuring AKM7739 DSP and TDA7808 amplifier.
3.6. 360 Camera Support
The DUDU7 comes with a built-in 360-degree panoramic chip, eliminating the need for an additional purchase for 360 camera functionality. Connect compatible 360 cameras to utilize this feature for enhanced parking and maneuvering.
4. Maintenance
Regular maintenance ensures the longevity and optimal performance of your DUDU7 car stereo.
- Screen Cleaning: Use a soft, lint-free cloth slightly dampened with a screen cleaner or water to gently wipe the touchscreen. Avoid abrasive materials or harsh chemicals.
- Software Updates: Periodically check for software updates through the system settings or the manufacturer's website. Keeping the software updated can improve performance and add new features.
- General Care: Avoid exposing the unit to extreme temperatures, direct sunlight for prolonged periods, or excessive moisture. Ensure proper ventilation around the unit.
5. Troubleshooting
If you encounter issues with your DUDU7 car stereo, refer to the following troubleshooting tips:
| Problem | Possible Cause | Solution |
|---|---|---|
| No Power | Loose power connection, blown fuse, vehicle battery issue. | Check power cable connections. Inspect vehicle fuses. Ensure vehicle battery is charged. |
| No Sound | Speaker wires disconnected, volume too low, incorrect audio source. | Verify speaker wire connections. Increase volume. Select correct audio input source. |
| GPS Not Working | GPS antenna obstructed or disconnected, outdated map data. | Ensure GPS antenna has clear view of sky and is connected. Update navigation software/maps. |
| Bluetooth Pairing Issues | Bluetooth not enabled, device not in pairing mode, interference. | Ensure Bluetooth is enabled on both devices. Put device in pairing mode. Try pairing in a different location. |
| Touchscreen Unresponsive | Software glitch, screen damage. | Restart the unit. If issue persists, perform a factory reset (data will be lost). Contact support if screen is physically damaged. |
If these steps do not resolve the issue, please contact customer support for further assistance.
6. Specifications
Below are the detailed technical specifications for the MekedeTech DUDUAUTO DUDU7 car stereo:
| Feature | Specification |
|---|---|
| Model Number | DUDU7 |
| Display Size | 12.9 Inches |
| Display Resolution | 2000x1200 |
| Operation System | Android 13 |
| CPU | 8 Core UIS7870 Customized version A76 2.7Ghz 6nm processor |
| Memory Type | UFS 3.1 Read data 1700M+ |
| RAM/ROM (Current Model) | 12GB RAM / 256GB ROM |
| GPS | Dual Band 6 mode L1 L5 B1 B2a E1 E5a |
| Microphone | Digital Noise Cancellation Microphone |
| USB Interface | USB 3.2 GEN1*1 (TYPE-C), USB2.0*3 |
| Power Amplifier | TDA7808 Digital AB type |
| DSP | AKM7739 Velvet Audio Technology |
| Bluetooth Chip | Qualcomm 3031 (Supports aptx HD protocol, BT5.0) |
| Audio Output | Optical + Coaxial, RCA 5.1 Channel Outputs |
| WiFi Type | 802.11a/b/g/n/ac Support 5G WIFI |
| Work Voltage | 9V~16V |
| CarPlay & Android Auto | Support Wired and Wireless CarPlay and Android Auto |
| 360 Panorama | Includes 360 panoramic chip by default |
| Output Wattage | 50 Watts |
| Control Method | Touch |
| Color | Black |

Figure 6.1: Detailed specifications comparison across DUDU series models.

Figure 6.2: Unisoc UIS7870 CPU performance overview.
7. Package Contents
The standard package for the DUDU7 model includes the following items:
- Head unit * 1
- Power Cable
- Metal Brackets * 2
- Disassembly Tools
- 9/10inch Frame (if applicable)
- MIC
- RCA Cable
- Reversing camera
- USB Plug * 3
- Fakra 4G Antenna
- Fakra GPS Antenna
- 360-degree camera

Figure 7.1: Visual representation of package contents.
8. Warranty Information
The MekedeTech DUDUAUTO DUDU7 car stereo comes with a 1-Year Warranty from the date of purchase. This warranty covers manufacturing defects and malfunctions under normal use.
Optional protection plans are available for extended coverage:
- 3-Year Protection Plan: Provides extended coverage for 36 months.
- NEW Complete Protect: A monthly plan covering eligible past and future purchases.
Please retain your proof of purchase for warranty claims. The warranty does not cover damage caused by improper installation, misuse, accidents, unauthorized repairs, or normal wear and tear.
9. Customer Support
For technical assistance, warranty claims, or any questions regarding your MekedeTech DUDUAUTO DUDU7 car stereo, please contact our customer support team.
- Online Support: Visit the official MekedeTech store on Amazon for FAQs and contact information: MekedeTech Store
- Manufacturer: Shenzhen Mekede Technology Co.,Ltd
When contacting support, please have your product model number (DUDU7) and purchase details ready.