Rimoody SH4M2G3RM
Rimoody 4Core 2G+64G Android Car Stereo Radio User Manual
Model: SH4M2G3RM
1. Product Overview
The Rimoody 4Core 2G+64G Android Car Stereo Radio is an advanced in-dash multimedia system designed specifically for Ford Focus models from 2012 to 2018. It features a 9.7-inch touchscreen display, integrated GPS navigation, wireless Carplay and Android Auto compatibility, WiFi connectivity, Bluetooth for hands-free calls and audio streaming, FM radio, and support for a backup camera and steering wheel controls. This unit provides a comprehensive upgrade to your vehicle's infotainment system.

Image 1.1: Overview of the Rimoody Android Car Stereo and its primary accessories.
2. Safety Information
- Professional Installation Recommended: Due to the complexity of vehicle electrical systems, professional installation is highly recommended to prevent damage to the unit or vehicle.
- Disconnect Battery: Always disconnect the vehicle's negative battery terminal before beginning any electrical installation to avoid short circuits or electrical shock.
- Wiring: Ensure all wiring connections are secure and properly insulated to prevent short circuits and fire hazards. Refer to the wiring diagram provided.
- Driving Safety: Do not operate the unit's complex functions or watch videos while driving. Distracted driving can lead to accidents.
- Temperature: Avoid exposing the unit to extreme temperatures or direct sunlight for prolonged periods, as this may affect performance and lifespan.
- Cleaning: Use a soft, dry cloth for cleaning the screen and unit. Avoid abrasive cleaners or solvents.
3. Package Contents
Verify that all items listed below are included in your package:
- Rimoody Android Car Stereo Head Unit
- Rear View Camera
- RCA Cable
- Input Cable
- USB Cable (2x)
- Microphone
- GPS Antenna
- User Manual (this document)
- Power Cable
- Canbus Decoder
- Radio Antenna Adapter
- Original Car Installation USB Cable
- Installation Tool
- Emergency Light Wiring (from low to high)
- High to Low Wiring
- Key Transfer Cable
- Mounting Accessories

Image 3.1: Visual representation of the packing list and the stereo's appearance before and after installation.
4. Installation Guide
This section provides general installation steps. Specific vehicle wiring may vary. Consult a professional if unsure.
4.1 Pre-Installation Steps
- Disconnect Battery: Disconnect the negative terminal of your vehicle's battery.
- Remove Old Unit: Carefully remove the existing car stereo and trim panels. Use the provided installation tool to avoid scratching the dashboard.
- Inspect Wiring: Identify the vehicle's wiring harness and antenna connection.
4.2 Wiring Connections
- Power Cable: Connect the main power cable harness from the new unit to the vehicle's wiring harness. Ensure all wires (ACC, B+, GND, etc.) are correctly matched.
- Canbus Decoder: Connect the Canbus decoder if your vehicle requires it for steering wheel controls or other integrated functions.
- GPS Antenna: Mount the GPS antenna in a location with a clear view of the sky (e.g., dashboard, under the windshield) and connect it to the unit.
- USB Cables: Connect the USB extension cables. Route them to a convenient location (e.g., glove compartment, center console) for future use with USB devices or wired Carplay/Android Auto.
- Microphone: Connect the external microphone for improved call quality and voice commands. Position it near the driver for optimal performance.
- Rear View Camera: Connect the rear view camera cable to the unit's 'CAM IN' input. Ensure the camera's power wire is connected to the vehicle's reverse light circuit for automatic activation.
- RCA Cables: Connect any additional RCA cables for external amplifiers, subwoofers, or auxiliary video inputs/outputs as needed.
- Radio Antenna: Connect the radio antenna adapter and then the vehicle's antenna cable to the unit.
4.3 Assembly and Final Steps

Image 4.1: Assembly instructions and important note regarding SYNC function wiring.
- Mounting: Secure the new head unit into the dashboard opening using the provided mounting brackets and screws.
- Panel Reassembly: Reattach all trim panels and secure them firmly.
- Reconnect Battery: Reconnect the negative terminal of your vehicle's battery.
- Initial Test: Turn on the vehicle's ignition and power on the stereo. Test all functions (radio, Bluetooth, GPS, camera, steering wheel controls) before fully completing the installation.
Important Note for SYNC Function:
If your original Ford Focus vehicle is equipped with the SYNC function, the dedicated SYNC interface cable needs to be connected. If your vehicle does not have the SYNC function, this power interface does not need to be connected and has no other function or purpose.
5. Initial Setup
Upon first power-on, the system may guide you through initial setup steps:
- Language Selection: Choose your preferred system language.
- Time and Date: Set the correct time zone, date, and time. The unit may automatically synchronize with GPS time once connected.
- WiFi Connection: Connect to an available WiFi network to enable online features, app downloads, and map updates.
- GPS Calibration: Ensure the GPS antenna is properly installed and receiving a signal. The system may require initial calibration for accurate navigation.
6. Operating Instructions
6.1 Wireless Carplay & Android Auto & Mirror Link
The unit supports wireless Carplay and Android Auto, allowing seamless integration with your smartphone for navigation, music, calls, and more. It also supports Mirror Link for displaying your phone's screen on the stereo.
- Wireless Connection: Enable Bluetooth and WiFi on your smartphone. On the stereo, open the Carplay/Android Auto application and follow the on-screen prompts to pair your device.
- Mirror Link: For Mirror Link, connect your phone via USB or WiFi and follow the instructions within the Mirror Link application on the stereo.

Image 6.1.1: Carplay, Android Auto, and Mirror Link functionalities.
6.2 GPS Navigation & WiFi
The unit has built-in GPS and WiFi. You can use pre-installed navigation apps or download others from the app store. Connect to WiFi for online maps, traffic updates, and app downloads.
- Online Maps: Connect to WiFi and use online navigation apps like Google Maps or Waze.
- Offline Maps: Download offline map data for navigation without an internet connection.

Image 6.2.1: GPS Navigation and WiFi capabilities.
6.3 Bluetooth & FM Radio
Enjoy hands-free calling and audio streaming via Bluetooth, and listen to your favorite radio stations with the built-in FM/RDS tuner.
- Bluetooth Pairing: Enable Bluetooth on your phone and search for the stereo (usually named "CarBT" or similar). Pair the devices.
- FM Radio: Select the FM radio application. Use the scan function to find available stations or manually tune to a frequency.
- Equalizer (EQ): Adjust audio settings using the built-in equalizer to customize sound output to your preference.

Image 6.3.1: Bluetooth, FM/RDS Radio, and Equalizer functions.
6.4 Rear Camera Input & Steering Wheel Control (SWC)
The unit supports a rear view camera for safer parking and integrates with your vehicle's steering wheel controls for convenient operation.
- Rear Camera: When the vehicle is shifted into reverse, the stereo display will automatically switch to the rear camera view.
- SWC Setup: Access the steering wheel control settings in the unit's menu. Follow the on-screen instructions to program the buttons to control various stereo functions.

Image 6.4.1: Rear Camera and Steering Wheel Control features.
6.5 Split Screen Functionality
The split screen feature allows you to run two applications simultaneously on the display, such as navigation and music, or radio and phone dialer.
- Activating Split Screen: Long-press the recent apps button or drag an app to one side of the screen to activate split screen mode.

Image 6.5.1: Split Screen functionality and supported accessories.
7. Troubleshooting
This section addresses common issues you might encounter. For persistent problems, contact customer support.
| Problem | Possible Cause | Solution |
|---|---|---|
| Unit does not power on. | Incorrect wiring; Blown fuse; Loose battery connection. | Check power cable connections; Inspect vehicle fuses; Ensure battery terminals are secure. |
| No sound or distorted sound. | Speaker wires incorrectly connected; Volume too low; EQ settings incorrect. | Verify speaker wiring; Increase volume; Reset EQ settings to default. |
| GPS signal weak or inaccurate. | GPS antenna improperly placed or disconnected. | Ensure GPS antenna has a clear view of the sky and is securely connected. |
| Bluetooth connection drops frequently. | Interference; Out of range; Software glitch. | Ensure phone is close to the unit; Re-pair the device; Restart the unit and phone. |
| Wireless Carplay/Android Auto not connecting. | WiFi/Bluetooth not enabled; Incorrect pairing steps; Software issue. | Ensure WiFi and Bluetooth are on for both devices; Follow pairing instructions carefully; Try a wired connection if wireless fails. |
| Unit is slow or unresponsive. | Too many apps running; Low memory; Software issue. | Close unused applications; Restart the unit; Consider a factory reset if issues persist (backup data first). |
| Rear camera not displaying. | Camera not powered; Video input incorrect; Loose connection. | Check camera power and ground connections; Verify video input cable is secure; Ensure reverse trigger wire is connected. |
8. Specifications
| Feature | Specification |
|---|---|
| Model | SH4M2G3RM |
| Operating System | Android |
| CPU | 4Core |
| RAM | 2GB |
| ROM | 64GB |
| Display Size | 9.7 Inches |
| Resolution | 1024 x 600 |
| Connectivity | Bluetooth, WiFi |
| Special Features | Touchscreen, GPS Navigation, Wireless Carplay, Android Auto, Mirror Link, FM/RDS Radio, Steering Wheel Control, Rear Camera Input, Split Screen |
| Audio Output Mode | Stereo |
| Item Weight | 5.26 pounds |
| Product Dimensions | 9.7 x 9.7 x 9.7 inches |
9. Warranty and Support
Rimoody is committed to providing quality products and customer satisfaction.
- Manufacturer Warranty: This product comes with a 1-Year Manufacturer Warranty from the date of purchase.
- Returns and Exchanges: Enjoy a 90-day free return for refund or exchange policy.
- Technical Support: Lifetime technical support is available from the Rimoody support team. For assistance, please visit the Rimoody Store on Amazon or contact their customer service directly.
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