Roinvou 8 Core 4G+64G
Roinvou 9-Inch Android Car Radio Instruction Manual
Model: 8 Core 4G+64G | For Jeep Grand Cherokee (2010-2013)
1. Introduction
This manual provides detailed instructions for the installation, operation, maintenance, and troubleshooting of your Roinvou 9-inch Android Car Radio. This unit is specifically designed for Jeep Grand Cherokee models manufactured between 2010 and 2013. Please read this manual thoroughly before installation and use to ensure proper function and to maximize your experience with the device.

Figure 1: Roinvou 9-inch Android Car Radio and included components.
2. Product Overview
The Roinvou Android Car Radio offers advanced features for an enhanced in-car entertainment and navigation experience. Key features include:
- Vehicle Compatibility: Designed for Jeep Grand Cherokee 2010-2013 models.
- Powerful Performance: Equipped with an 8-core CPU, 4GB RAM, and 64GB storage for smooth operation.
- Wireless Connectivity: Supports Wireless CarPlay and Android Auto for seamless smartphone integration.
- Mirror Link: Allows wired screen mirroring from your smartphone.
- High-Speed Internet: Integrated 5G WiFi for fast browsing and updates.
- Advanced Bluetooth: Bluetooth 5.0 for stable calls and audio streaming.
- GPS Navigation: Preloaded offline maps with real-time traffic updates (requires WiFi for updates).
- Audio Customization: Professional 32-band equalizer for personalized sound.
- High-Definition Display: 9-inch IPS touchscreen with 1280x720 resolution, wide viewing angles, and responsive touch.
- Reverse Image Support: Compatible with AHD backup cameras for parking assistance.
- Steering Wheel Control (SWC): Supports integration with existing steering wheel controls.

Figure 2: Detailed Product Relevancy Information.
3. Setup and Installation
3.1. Package Contents
Before beginning installation, verify that all components are present:
- Roinvou Car Stereo for Jeep Grand Cherokee
- Power Cable
- Radio Antenna
- Canbus Decoder
- RCA Cable
- GPS Antenna
- AHD Backup Camera
- External Microphone
- Rear Camera Input Cable
- Dual USB Cable
- Installation Tool & Accessories

Figure 3: Product dimensions and included accessories list.
3.2. Vehicle Compatibility Check
This unit is compatible with Jeep Grand Cherokee models from 2010 to 2013. It is recommended to confirm compatibility by comparing your vehicle's dashboard with the provided installation comparison images.

Figure 4: Installation comparison for Jeep Grand Cherokee (2010-2013).
3.3. Wiring Diagram for Reversing Camera
Proper connection of the AHD reversing camera is crucial for its functionality. Follow the diagram below for correct wiring:
- Connect the black wire to GND (ground).
- Connect the red wire to Power (+12V) and the Reversing lamp.
- Connect the camera video output to the "Rear Camera Input" on the head unit.
- Ensure the Canbus decoder is correctly connected to integrate with the vehicle's systems.

Figure 5: Reversing Camera Wiring Diagram.
4. Operating Instructions
4.1. Powering On and Initial Setup
After installation, turn on your vehicle's ignition. The unit should power on automatically. Follow the on-screen prompts for initial language, time, and network settings.
4.2. Wireless CarPlay & Android Auto / Mirror Link
Connect your smartphone wirelessly via Bluetooth/USB for CarPlay or Android Auto, or use a wired USB connection for Mirror Link. This allows access to navigation, music, calls, and voice assistants directly from the car radio display.
- Wireless CarPlay/Android Auto: Connect via Bluetooth first, then follow prompts for wireless projection.
- Wired CarPlay/Android Auto: Connect your phone via USB cable.
- Mirror Link: Connect your phone via USB or WiFi and follow the on-screen instructions to mirror your phone's display.

Figure 6: Wireless CarPlay, Android Auto, and Mirror Link functionality.
4.3. GPS Navigation and 5G WiFi
The unit comes with preloaded offline maps. Connect to a 5G WiFi network for real-time traffic updates, online navigation, and access to various online applications.
- Offline Maps: Access navigation without an internet connection.
- Online Maps: Connect to WiFi for live traffic, updated maps, and additional features.
- 5G WiFi: Go to Settings > Network & Internet > Wi-Fi to connect to an available network.

Figure 7: GPS and WiFi features.
4.4. Bluetooth 5.0
Pair your phone via Bluetooth for hands-free calling, music streaming, and phonebook synchronization.
- Go to Settings > Connected devices > Bluetooth to enable and pair with your device.
- Ensure your phone's Bluetooth is discoverable.
4.5. Steering Wheel Control (SWC)
The unit supports learning your vehicle's steering wheel controls. This allows you to manage audio, calls, and navigation without taking your hands off the wheel.
- Navigate to the SWC settings menu on the unit.
- Follow the on-screen instructions to assign functions to your steering wheel buttons.

Figure 8: Reverse Image and Steering Wheel Control setup.
4.6. Split Screen Functionality
Utilize the split-screen feature to run two applications simultaneously, such as navigation and music playback.
- Long-press the recent apps button or drag an app to one side of the screen to activate split-screen mode.

Figure 9: FM RDS, Bluetooth, and Split Screen features.
5. Maintenance
To ensure the longevity and optimal performance of your Roinvou car radio, follow these maintenance guidelines:
- Screen Cleaning: Use a soft, lint-free cloth to gently wipe the touchscreen. Avoid abrasive cleaners or harsh chemicals that could damage the display.
- Software Updates: Periodically check for and install software updates to ensure the system runs efficiently and securely. Updates can often be found in the system settings under "About device" or "System updates" when connected to WiFi.
- Environmental Care: Avoid exposing the unit to extreme temperatures, direct sunlight for prolonged periods, or excessive moisture.
- Cable Connections: Ensure all cables are securely connected. Loose connections can lead to intermittent issues.
6. Troubleshooting
If you encounter issues with your Roinvou car radio, refer to the following common problems and solutions:
| Problem | Possible Cause / Solution |
|---|---|
| Unit does not power on. | Check power cable connections. Verify vehicle's fuse for the radio. Ensure ignition is on. |
| Screen freezes or is unresponsive. | Restart the unit by turning off and on the vehicle's ignition. If persistent, perform a factory reset (refer to system settings, note this will erase data). |
| Wireless CarPlay/Android Auto not connecting. | Ensure Bluetooth is enabled on both devices. Forget and re-pair the device. Check for software updates on both the car radio and your smartphone. Try a wired connection to isolate the issue. |
| No sound or poor audio quality. | Check speaker wire connections. Verify volume levels on both the unit and connected phone. Adjust equalizer settings. |
| GPS signal is weak or inaccurate. | Ensure the GPS antenna is properly installed and has a clear view of the sky. Update map data via WiFi. |
| Rear camera not displaying. | Check the reversing camera wiring (refer to Section 3.3). Ensure the camera is receiving power and the video input cable is securely connected. Verify camera settings in the unit's menu. |
7. Specifications
| Feature | Detail |
|---|---|
| Model Number | 8 Core 4G+64G |
| Operating System | Android |
| Display Size | 9 Inches |
| Screen Resolution | 1280x720 IPS |
| Processor | 8-Core CPU |
| RAM | 4GB |
| Internal Storage | 64GB |
| Connectivity | Bluetooth 5.0, 5G Wi-Fi, USB |
| Special Features | Wireless/Wired Apple CarPlay & Android Auto, Mirror Link, Voice Control, GPS Navigation, FM/RDS Radio, SWC, 32-band EQ, AHD Camera Support |
| Audio Output Mode | Stereo |
| Mounting Type | Dashboard Mount |
| Item Weight | 6.09 pounds (approx. 2.76 kg) |
| Package Dimensions | 16.93 x 13.39 x 5.94 inches (approx. 43 x 34 x 15 cm) |
8. Warranty and Support
8.1. Warranty Information
The Roinvou 9-inch Android Car Radio comes with a 1-Year Warranty from the date of purchase. This warranty covers manufacturing defects and malfunctions under normal use. It does not cover damage caused by improper installation, misuse, accidents, or unauthorized modifications.
Please retain your proof of purchase for warranty claims.
8.2. Customer Support
For technical assistance, troubleshooting beyond this manual, or warranty inquiries, please contact Roinvou customer support through the platform where the product was purchased. When contacting support, please provide your product model number (8 Core 4G+64G) and a detailed description of the issue.
You may also visit the Roinvou Store on Amazon for additional product information and resources.
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