1. Introduction
This manual provides detailed instructions for the installation, operation, maintenance, and troubleshooting of your MISONDA 6G+128G 4G DAB+ Android Car Radio. Please read this manual thoroughly before using the product to ensure proper function and safety. Keep this manual for future reference.
2. Product Overview
The MISONDA Android Car Radio is an advanced multimedia system designed for Hyundai Tucson/IX35 models from 2009 to 2015. It features a 10-inch QLED touchscreen, Android 13 operating system, 6GB RAM, 128GB ROM, 4G connectivity, DAB+, GPS navigation, Wireless Carplay, and Android Auto.

Image: Overview of the MISONDA Android Car Radio, showing its 10.1-inch display, the frame, and the main unit with navigation and media playback interface.
Key Features:
- Operating System: Latest Android 13 with 8-core 64-bit processor.
- Memory: 6GB RAM + 128GB ROM for ample storage and smooth performance.
- Display: 10-inch QLED HD touchscreen with 1280x800 resolution, IPS technology, and 178° viewing angle.
- Connectivity: Built-in 4G and Wi-Fi for internet access.
- Audio: Integrated DAB+ for high-quality digital radio, DSP AKM7739 for optimized sound.
- Navigation: Offline map support with preloaded maps and real-time online navigation.
- Smartphone Integration: Wireless Carplay and Android Auto for seamless phone connectivity.
- Bluetooth: Version 5.0 with A2DP, hands-free calling, music streaming, and phonebook download.
- Control: Steering wheel control support for safe operation.
- Mirrorlink: Two-way control between phone and car radio for Android devices.
- Additional Features: Split-screen function, HDMI output, cooling fan.
3. Package Contents
Verify that all items listed below are included in your package. If any items are missing or damaged, please contact customer support.

Image: Diagram showing all components included in the MISONDA Android Car Radio package, such as power cables, RCA cables, USB cable, GPS antenna, DAB antenna, external microphone, rear camera, and installation brackets.
- MISONDA Android Car Radio Unit
- Power Socket A & B & C
- RCA Output Cables (various)
- USB Cable
- GPS Antenna
- DAB Antenna
- External Microphone
- Rear Camera
- Installation Brackets
- User Manual
4. Setup and Installation
Professional installation is recommended. Ensure the vehicle's power is disconnected before beginning installation. Refer to your vehicle's specific wiring diagram for accurate connections.

Image: Comparison of a car dashboard before and after the installation of the MISONDA Android Car Radio, demonstrating the integrated fit.
4.1 Wiring Connections
- Power Connection: Connect the main power harness (Power Socket A, B, C) to the corresponding ports on the car radio and the vehicle's wiring. Ensure correct polarity.
- RCA Connections: Connect the RCA output cables for audio and video as needed for external amplifiers or monitors.
- USB Connection: Plug in the USB cable for external storage or device charging.
- GPS Antenna: Mount the GPS antenna in a location with a clear view of the sky, typically on the dashboard or under the windshield. Connect it to the GPS input on the unit.
- DAB Antenna: Connect the DAB antenna for digital radio reception. Ensure proper placement for optimal signal.
- External Microphone: Connect the external microphone for improved hands-free call quality. Position it near the driver.
- Rear Camera: Connect the rear camera cable to the designated input. Ensure the camera is properly mounted and aligned.
- 4G SIM Card: Insert your 4G SIM card into the designated slot if you plan to use mobile data directly on the unit.
4.2 Mounting the Unit
- Carefully remove the original car radio and dashboard trim.
- Attach the provided installation brackets to the MISONDA unit.
- Connect all necessary wiring harnesses.
- Slide the MISONDA unit into the dashboard opening, ensuring a secure fit.
- Reinstall the dashboard trim.
5. Operating Instructions
5.1 Initial Power On and Setup
- Turn on your vehicle's ignition. The car radio should power on automatically.
- Follow the on-screen prompts for initial setup, including language selection, time zone, and Wi-Fi connection.
- Connect to a Wi-Fi network or insert a 4G SIM card to enable internet access.

Image: Visual representation of the Android system, MediaTek processor, TDA7808 amplifier chip, LPDDR4 and UFS 3.0 memory, and the 6GB RAM + 128GB ROM configuration.
5.2 Display and Interface
The 10-inch QLED HD touchscreen provides a clear and responsive interface. Navigate through menus by tapping and swiping. The split-screen function allows two applications to run simultaneously, such as navigation and music.

Image: Details on built-in 4G/WiFi, IPS screen specifications (500 nits, 178° view, 1200:1 contrast), cooling fan, DSP AKM7739, and HDMI output functionality.
5.3 Navigation (GPS)
Access the pre-installed navigation application. You can use offline maps or connect to the internet for real-time traffic updates and online mapping services. Enter your destination and follow the voice-guided directions.
5.4 Radio (FM/AM/DAB+)
Select the Radio application. Tune into FM, AM, or DAB+ stations. Use the scan function to find available stations and save your favorites as presets. DAB+ offers superior sound quality and a wider range of stations compared to traditional FM/AM.
5.5 Bluetooth 5.0
- Go to the Bluetooth settings on the car radio.
- Enable Bluetooth on your mobile phone and search for available devices.
- Select the car radio from the list and pair the devices.
- Once connected, you can make hands-free calls, stream music, and sync your phonebook.

Image: Features including steering wheel control, Bluetooth 5.0, Mirrorlink, GPS navigation interface, and the built-in DAB+ radio interface.
5.6 Wireless Carplay & Android Auto
Connect your smartphone wirelessly via Bluetooth to activate Carplay or Android Auto. This allows you to access your phone's navigation, music, messages, and calls directly from the car radio's screen, providing a safer and more integrated driving experience.

Image: Side-by-side view of the Wireless Carplay and Android Auto interfaces displayed on the car radio screen, showing app icons and navigation.
5.7 Steering Wheel Control
If your vehicle supports it, the car radio can be configured to work with your existing steering wheel controls. This allows you to adjust volume, change tracks, and answer calls without taking your hands off the wheel. Refer to the unit's settings for steering wheel control mapping.
5.8 Optional Features (Requires additional purchase)
- DVR: Connect an external DVR for recording driving footage.
- OBD: Connect an OBD scanner to monitor vehicle diagnostics.
- 360 Bird View Camera: Integrate a 360-degree panoramic camera system for enhanced parking and maneuvering safety.

Image: Illustration of a car with a 360-degree bird's eye view camera system, showing front, rear, left, and right camera perspectives, and the individual camera units.
6. Maintenance
Regular maintenance ensures the longevity and optimal performance of your car radio.
6.1 Cleaning the Screen
Use a soft, lint-free cloth slightly dampened with water or a screen cleaner specifically designed for electronic displays. Do not use abrasive cleaners or solvents, as they can damage the screen coating.
6.2 Software Updates
Periodically check for software updates through the unit's settings menu. Updates can provide new features, performance improvements, and bug fixes. Ensure a stable internet connection during updates.
6.3 General Care
- Avoid exposing the unit to extreme temperatures or direct sunlight for prolonged periods.
- Do not spill liquids on the unit.
- Ensure proper ventilation around the unit, especially if a cooling fan is present.
7. Troubleshooting
If you encounter issues with your MISONDA car radio, refer to the following troubleshooting guide. If the problem persists, contact customer support.
| Problem | Possible Cause | Solution |
|---|---|---|
| Unit does not power on | Loose power connection, blown fuse, vehicle ignition off. | Check power cables, inspect vehicle fuses, ensure ignition is on. |
| No sound | Volume too low, mute activated, incorrect speaker wiring, amplifier issue. | Increase volume, check mute status, verify speaker connections, check external amplifier. |
| GPS signal lost or inaccurate | GPS antenna obstructed or disconnected, outdated maps. | Ensure GPS antenna has clear sky view, check connection, update maps. |
| Bluetooth not connecting | Bluetooth off on phone/unit, device not discoverable, interference. | Enable Bluetooth on both devices, make unit discoverable, try re-pairing. |
| Touchscreen unresponsive | Software glitch, screen damage. | Restart the unit, perform a factory reset (data loss may occur), contact support if damage is suspected. |
| Carplay/Android Auto not working | Incorrect phone settings, incompatible phone, app issues. | Ensure phone is compatible and settings are correct, update phone apps, try restarting both devices. |
8. Specifications
| Feature | Specification |
|---|---|
| Model Number | BX-5703-K04-128G |
| Operating System | Android 13 |
| Processor | 8-core Cortex A53, 2.5 GHz |
| RAM | 6GB |
| ROM | 128GB |
| Screen Size | 10 inches |
| Display Type | QLED HD IPS Touchscreen |
| Resolution | 1280 x 800 |
| Radio Chip | TDA7786 |
| Amplifier Chip | TDA7808 |
| Output Power | 4*45W |
| Connectivity | 4G, Wi-Fi, Bluetooth 5.0, USB |
| Navigation | GPS (offline maps supported) |
| Audio Output Mode | Stereo |
| Operating Temperature | -20°C to 70°C |
| Compatible Vehicle | Hyundai Tucson/IX35 (2009-2015) |
9. Warranty and Support
9.1 Warranty Information
This MISONDA car radio comes with a 1-year warranty from the date of purchase. The warranty covers manufacturing defects and malfunctions under normal use. It does not cover damage caused by improper installation, misuse, accidents, or unauthorized modifications.
9.2 Customer Support
For technical assistance, warranty claims, or any questions regarding your MISONDA car radio, please contact our customer support team. Refer to your purchase documentation for specific contact details or visit the official MISONDA website.