1. Product Overview
This manual provides detailed instructions for the GOHHDL Android 11 Car Stereo. This advanced head unit features a 9-inch high-definition touchscreen, 2GB RAM, 32GB storage, and supports wireless Apple Carplay and Android Auto. It integrates WiFi, Bluetooth 4.2, GPS navigation, FM/RDS radio, HiFi audio, Steering Wheel Control (SWC), and includes an AHD backup camera for enhanced driving experience.
The system runs on Android 11, offering a versatile platform for various applications and media playback.
2. What's Included
The product package contains the following items:
- 1 x Android Car Stereo
- 2 x Power Cable
- 2 x Accessories (likely mounting brackets or small parts)
- 1 x Installation Tool
- 1 x RCA Cable
- 1 x GPS Antenna
- 2 x USB Cable
- 1 x Rear Camera Input Cable
- 1 x AHD Backup Camera
- 1 x Microphone

3. Setup and Installation
Proper installation is crucial for optimal performance. It is recommended to have this unit installed by a professional if you are unfamiliar with car audio system installations.
3.1 Physical Installation
Connect the provided power cables, RCA cables, GPS antenna, USB cables, and the rear camera input cable to their respective ports on the car stereo and your vehicle's wiring harness. Ensure all connections are secure.

3.2 Initial Power On and System Information
After installation, power on the unit. You can access system information and basic settings through the 'Settings' menu. This includes Android version, RAM, storage, and display resolution.
4. Operating Instructions
4.1 Wireless Apple Carplay and Android Auto
The car stereo supports both wireless Apple Carplay and Android Auto. Connect your smartphone via a wired USB cable or wirelessly using Bluetooth and WiFi.
- For Apple Carplay: Connect via Bluetooth, then open the Z-Link app and wait for connection.
- For Android Auto: Connect via Bluetooth. For the first-time connection, connect your phone's hotspot to the car stereo. Then open the Z-Link app and wait for connection. Android Auto requires the Android Auto app to be installed on your phone.
Once connected, you can access phone features like messages, music, and maps, and use voice commands.

4.2 GPS Navigation and WiFi
Connect the unit to WiFi or a mobile hotspot to access online maps (e.g., Google Maps) and download offline maps. This also enables access to online music, video streaming (e.g., YouTube), and app downloads from the market.


4.3 Bluetooth 4.2 and FM Radio
The built-in Bluetooth 4.2 system allows for hands-free calling and Bluetooth music streaming. Pair your phone to make and receive calls directly from the car stereo. The FM radio supports automatic channel search (frequency 87.5-108FM) and allows presetting up to 18 channels. RDS function provides additional broadcast information.


4.4 HiFi Audio and Equalizer
Experience high-fidelity sound with the 12-segment adjustment control sound effect. Customize your audio with presets like Classical, Jazz, Rock, Pop, or create custom settings. The system supports AUX input and high-speed USB 2.0 for various U disk compatibility.

4.5 Steering Wheel Control (SWC)
With the included Canbus, the unit supports integration with your vehicle's original steering wheel buttons. This allows for convenient and safe control of audio functions without taking your hands off the wheel.

4.6 Backup Camera Input
The system includes an AHD waterproof backup camera. When reverse gear is engaged, the stereo automatically displays the camera feed on the screen, assisting with safe parking. The camera offers a 170° wide view and superior night vision.

4.7 Split Screen Function
Utilize the built-in split-screen function to run two applications simultaneously, such as navigation and music playback.

5. Specifications
| Feature | Detail |
|---|---|
| Brand | GOHHDL |
| Model Number | A7449A30184A4MI2 |
| Operating System | Android 11 |
| RAM | 2GB |
| Storage | 32GB |
| Display Size | 9 inches |
| Connectivity Technology | Auxiliary, Bluetooth, Wi-Fi |
| Controller Type | Android |
| Special Features | Equalizer, RDS, Spotify, Touchscreen |
| Compatible Devices | Smartphone |
| Connector Type | 3.5mm Jack, RCA, USB |
| Audio Output Mode | Stereo |
| Color | Black |
| Output Power | 45 Watts |
| Wattage | 12 watts |
| Number of Channels | 4 |
| Output Wattage | 180 Watts |
| Supported Internet Services | Browser, YouTube, iTunes |
| Control Method | Touch |
| Audio Output Type | Speakers |
| Video Format | AVI |
| UPC | 769256214110 |
| ASIN | B0BKKM2J52 |
6. Troubleshooting
If you encounter issues, refer to the following common troubleshooting steps:
- No Power: Check all power connections and ensure the vehicle's ignition is on. Verify fuses.
- No Sound: Check speaker connections, volume levels, and audio source selection. Ensure the equalizer settings are not muting output.
- Bluetooth Connection Issues: Ensure Bluetooth is enabled on both the stereo and your phone. Delete previous pairings and try reconnecting. Ensure the correct PIN (usually 0000) is entered.
- Carplay/Android Auto Not Connecting: Verify Bluetooth and WiFi connections. Ensure the Z-Link app is open on the stereo. For Android Auto, confirm your phone's hotspot is active and connected to the stereo. If issues persist, try deleting the history record on the vehicle's WiFi settings and then re-launch Z-Link.
- GPS Not Working: Ensure the GPS antenna is properly installed and has a clear view of the sky. Check GPS detection in settings.
- Backup Camera Not Displaying: Verify the rear camera input cable connection. Ensure the camera is receiving power and is functioning correctly.
For further assistance, consult the Q&A section within the device's PODFO Voice application or contact customer service.
7. Maintenance
To ensure the longevity and optimal performance of your GOHHDL Android 11 Car Stereo, follow these maintenance guidelines:
- Cleaning: Use a soft, dry cloth to clean the touchscreen and exterior. Avoid abrasive cleaners or solvents that could damage the display or finish.
- Software Updates: Periodically check for system software updates to ensure you have the latest features and bug fixes. Updates can typically be found in the system settings.
- Environmental Conditions: Avoid exposing the unit to extreme temperatures, direct sunlight for prolonged periods, or excessive moisture.
- Cable Connections: Periodically check that all cables (power, audio, USB, antenna) are securely connected and free from damage.
8. Warranty and Support
This GOHHDL Android 11 Car Stereo comes with a one-year warranty from the date of purchase. For warranty claims, technical support, or any questions not covered in this manual, please contact GOHHDL customer service through the retailer where the product was purchased.
Please retain your proof of purchase for warranty validation.