XTRONS 12.3 Inch Android 14 Car Stereo User Manual

1. Introduction

This manual provides detailed instructions for the installation, operation, and maintenance of your XTRONS 12.3 Inch Android 14 Car Stereo. This unit is specifically designed for BMW 3 Series E90, E91, E92, and E93 models manufactured between 2008 and 2012, particularly those without an original factory display. Please read this manual thoroughly before installation and use to ensure proper functionality and to maximize your driving experience.

Figure 1: XTRONS 12.3 Inch Android 14 Car Stereo main unit.

2. Main Features

The XTRONS 12.3 Inch Android 14 Car Stereo offers a range of advanced features to enhance your in-car entertainment and navigation:

• Operating System: Latest Android 14 with Octa-core processor.
• Memory & Storage: 4GB DDR4 RAM and 64GB Solid State ROM for smooth performance and ample storage.
• Display: 12.3-inch IPS Touch Screen with 1920x720 resolution and 178° viewing angle for clear, vibrant visuals.
• Connectivity: Built-in Wireless CarPlay and Wireless/Wired Android Auto for seamless smartphone integration.
• Network: Global 4G LTE support (via Micro-SIM card, not included) and Dual Wi-Fi Band (2.4GHz/5GHz) for fast internet access.
• Audio: Built-in DSP (Digital Signal Processor) for enhanced audio quality and customization.
• Multitasking: Multi-task Display and Picture-in-Picture (PIP) functionality.
• Bluetooth: Bluetooth 5.0 for stable hands-free calls and high-quality music streaming.
• Integration: Retains original car functions including fiber optic sound system, radio, CD player, and Bluetooth.

Figure 2: Overview of the XTRONS Car Stereo's core features.

3. Setup & Installation

3.1. Package Contents

Verify that all components are present in your package:

• 1 x ISO Wiring Harness
• 1 x Audio Cable
• 1 x GPS Antenna
• 1 x USB Cable
• 1 x 4G Antenna
• 1 x Tweezers
• 1 x Cutter Knife
• 5 x Screws
• 1 x Installation Kit
• 1 x Template Sticker
• 1 x Controller
• 1 x Installation Instruction
• 1 x User Manual (this document)

Figure 3: Included accessories and main unit dimensions (312mm x 135mm).

3.2. Applicable Models & Compatibility

This XTRONS car stereo is compatible with the following BMW 3 Series models:

• BMW E90 (2008-2012)
• BMW E91 (2008-2012)
• BMW E92 (2008-2012)
• BMW E93 (2008-2012)

Important: This unit is designed for vehicles without an original factory display.

Figure 4: Visual comparison of the BMW dashboard before and after installing the XTRONS unit.

3.3. Important Installation Notes

Installation of this monitor may require cutting a permanent hole in your dashboard. If there is an existing storage box on the top of the dashboard, cutting will not be required as uninstalling the storage box will suffice. A template sticker is provided to assist in accurately locating any necessary cuts.

3.4. Wiring Diagram

Refer to the following diagram for proper connection of the wiring harness and components:

Figure 5: Wiring diagram for the XTRONS Car Stereo.

• ISO port to connect to original CD player
• ISO wiring harness
• AUDIO OUT, Audio output
• REVERSE-IN, Reversing control cable
• P. CAM, Camera ACC
• ACC
• MIC, Microphone port
• CAM IN, Camera input
• Controller
• USB port 1
• USB port 2
• 4G antenna
• GPS antenna
• 4G SIM card slot

4. Operating Instructions

4.1. Display and Touch Screen

The 12.3-inch IPS touch screen provides a responsive and clear interface. Navigate through menus and applications with intuitive touch gestures.

Figure 6: The 12.3-inch IPS Touch Screen in operation, demonstrating multi-tasking and Picture-in-Picture capabilities.

4.2. Wireless CarPlay & Android Auto

Connect your smartphone wirelessly for Apple CarPlay or Android Auto. This allows you to access compatible apps, navigation, calls, and music directly from the head unit, using voice commands (Siri/Google Assistant) for safer operation.

Figure 7: Wireless CarPlay and Android Auto interface.

4.3. Global 4G LTE & Dual Wi-Fi

Insert a Micro-SIM card (not included) into the designated slot to access Global 4G LTE mobile broadband. The unit also supports dual-band Wi-Fi (2.4GHz and 5GHz) for flexible and fast internet connectivity. Mobile network sharing via USB tethering is also supported.

Figure 8: Global 4G LTE and Dual Wi-Fi connectivity options.

4.4. Built-in DSP

Utilize the built-in Digital Signal Processor (DSP) to customize your audio experience. Adjust settings such as Smart Bass, Equalizer, Loudness, Balance, Delay, and Filter to achieve optimal sound quality.

4.5. Retained Original Functions

The XTRONS unit is designed to seamlessly integrate with your BMW's existing systems, retaining the functionality of the original fiber optic sound system, radio, CD player, and Bluetooth.

Figure 9: Original car functions retained after installation.

5. Maintenance

To ensure the longevity and optimal performance of your XTRONS car stereo, follow these general maintenance guidelines:

• Cleaning: Use a soft, dry cloth to clean the screen and exterior. Avoid abrasive cleaners or solvents that could damage the display or finish.
• Software Updates: Periodically check for and install software updates provided by XTRONS to ensure the system runs efficiently and has the latest features and security patches.
• Environmental Conditions: 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 XTRONS car stereo, refer to the following common troubleshooting steps:

• No Power:
  • Check all power connections to ensure they are secure.
  • Verify the vehicle's fuse related to the stereo is not blown.
• No Sound:
  • Ensure the volume is not muted or set too low.
  • Check speaker connections.
  • Verify the audio source is correctly selected.
• Touch Screen Unresponsive:
  • Restart the unit by turning off the vehicle ignition and restarting.
  • Ensure the screen is clean and free of debris.
• CarPlay/Android Auto Not Connecting:
  • Ensure Bluetooth and Wi-Fi are enabled on your smartphone and the stereo.
  • Try forgetting the device on both your phone and the stereo, then re-pairing.
  • Check for any software updates for both your phone and the stereo.
• GPS Signal Issues:
  • Ensure the GPS antenna is properly installed and has a clear view of the sky.
  • Verify GPS settings within the Android system.

If these steps do not resolve the issue, please contact XTRONS customer support for further assistance.

7. Specifications

8. Warranty

The XTRONS 12.3 Inch Android 14 Car Stereo comes with a 1-Year Manufacturer Warranty. This warranty covers defects in materials and workmanship under normal use. Please retain your proof of purchase for warranty claims. For specific terms and conditions, refer to the warranty information provided with your product or contact XTRONS customer support.

9. Support

For technical assistance, product inquiries, or warranty claims, please contact XTRONS customer support through their official website or the retailer where the product was purchased. Ensure you have your product model and purchase details ready when contacting support.

You can visit the official XTRONS Store for more information and products: XTRONS Store on Amazon