1. Introduction
This manual provides detailed instructions for the installation, operation, maintenance, and troubleshooting of your Ucyazy Linux HD Screen 15.8-inch Wireless Carplay Car Multimedia Player. Please read this manual thoroughly before use to ensure proper functionality and to prevent damage. This device is designed for BMW 2 Series F45, F46, and F87 models from 2013-2018 with original NBT/EVO Radio systems.

2. Specifications
| Feature | Description |
|---|---|
| Brand Name | Ucyazy |
| Operating System | Linux |
| Display Size | 15.4" (15.8 inch item size) |
| Resolution | 1920*720 |
| Is touch screen | Yes |
| Built-in Screen | Yes |
| Built-in DVD Player | No |
| Din | Double Din |
| RAM | 6G |
| ROM | 128G |
| Max External Memory | 128G |
| TF/Micro SD Slot | 0 |
| Interface | USB |
| Out Power | 45W * 4 |
| Voltage | 12 V |
| Item Weight | 3kg |
| Output Type | Colored |
| Special Features | Built-In Speaker/Microphone, WiFi function, Support steering wheel control, Support 3G Network, Support 4G Network, Support Can-Bus, Built-in GPS, Mobile Phone, MP3 players |
| Digital Media Format | CD, VIDEO CD, WMA, JPEG |
| OSD Language | Chinese (Simplified), Chinese (Traditional), Albanian, Arabic, Azeri, Irish, Estonian, Belarusian, Icelandic, Polish, Persian, Danish, German, Russian, French, Filipino, Finnish, Georgian, Korean, Dutch, Galicia, Catalan, Czech, Croatian, Latin, Latvian, Lithuanian, Maltese, Malay, Macedonian, Norwegian, Portuguese, Japanese, Swedish, Serbian, Slovak, Slovenian, Swahili, Thai, Turkish, Welsh, Ukrainian, Hebrew, Greek, Spain's Basque, Spanish, Hungarian, Armenian, Italian, Yiddish, Hindi, Urdu India, Indonesia, English, Vietnamese |
| For Vehicle Brands/Model | BMW (318i-Year: 1998, 1999, 2000, 2001) |
| Certification | CE, RoHS |
| Origin | Mainland China |
| Material | Plastic & metal |
| Package Dimensions | 36cm (L) x 22cm (W) x 19cm (H) |
| Package Weight | 3.0 kg |



3. Package Contents
Please check the contents of your package upon receipt. The package typically includes the following items:
- Main Head Unit (Machine)
- Power Cable
- Installation Tools
For models with Qualcomm 6125 processor, additional accessories are included:
- 4G Antenna
- USB Cable
- GPS Antenna

4. Setup and Installation
Before beginning installation, it is crucial to confirm your car's original system and ensure compatibility. Professional installation is highly recommended.
4.1. Confirm Your Car System
Identify your BMW's multimedia system (CCC, CIC, NBT, or EVO) and the corresponding LVDS plug type. This is essential for correct wiring and functionality.

4.2. AUX Input Requirement
Important: Please confirm if your original car has an AUX audio input.
If your car does not have an audio AUX input, you will need to either:
- Order an FM transmitter to facilitate audio output.
- Activate the AUX function at a local car workshop. This will allow the original car speakers to produce sound from the new multimedia player.
4.3. General Installation Steps
- Carefully remove the original car's display and radio unit.
- Connect the provided power cable to the car's wiring harness and the new head unit.
- Connect the LVDS cable to the appropriate port on the new unit and the car's system.
- If applicable, connect the 4G antenna, USB cable, and GPS antenna.
- Mount the new multimedia player securely in the dashboard.
- Test all functions before fully reassembling the dashboard.

5. Operating Instructions
The Ucyazy multimedia player offers a rich set of features to enhance your driving experience.
5.1. Wireless CarPlay & Android Auto
Connect your smartphone wirelessly to access navigation, music, calls, messages, and other apps directly on the car's display.


Video 1: Demonstration of CarPlay functions, including phone calls, music playback, and system settings.
5.2. Bluetooth 5.1 Connectivity
The upgraded Bluetooth 5.1 technology ensures stable connection, no jamming, and synchronous mobile phone address book and music playback. You can connect two devices simultaneously.


5.3. Built-in GPS Navigation
For Qualcomm 6125 models, enjoy built-in GPS navigation with support for popular apps like iGo, Google Maps, and Waze, providing real-time views and directions.

5.4. Split Screen Function
The split-screen feature allows two applications to be displayed on the screen simultaneously, catering to your entertainment and navigation needs.


5.5. ADAS DVR & Reversing Image Support
The system supports ADAS DVR for capturing driving events and a reversing image function. If your original car lacks a rear camera, you can purchase a compatible HD camera.

5.6. DSP Sound Effect
Experience enhanced audio with the DSP sound effect algorithm, supporting 5.1 channels and offering 4 sound effect adjustments for precise sound control.

5.7. UI Interface and System Switching
The intuitive UI provides easy access to various functions. You can freely switch between the original car system and the Android system, retaining the original system's functionality.


5.8. Steering Wheel and iDrive Control
The multimedia player supports the original steering wheel controls and iDrive controller, ensuring convenient and familiar operation.

5.9. Day/Night Mode Auto-Adjust
The display automatically adjusts between day and night modes, optimizing visibility and reducing eye strain based on ambient light conditions.

6. Maintenance
6.1. Cleaning
To maintain the clarity and responsiveness of your screen, gently wipe it with a soft, lint-free cloth. For stubborn smudges, use a screen cleaner specifically designed for electronic displays. Avoid abrasive materials or harsh chemicals.
6.2. Software Updates
Periodically check for firmware updates in the system settings. Keeping your device's software up-to-date ensures optimal performance, security, and access to new features. The video demonstration shows a 'Firmware Update' option within the system settings.
7. Troubleshooting
| Problem | Possible Cause / Solution |
|---|---|
| No sound from car speakers | Ensure your original car has an active AUX input. If not, you may need an FM transmitter or activate the AUX function at a car workshop. |
| CarPlay/Android Auto not connecting | Check your phone's Bluetooth and Wi-Fi connections. Ensure the device is discoverable and paired correctly. Refer to the CarPlay demonstration video for connection steps. |
| Screen is unresponsive or frozen | Try restarting the multimedia player. If the issue persists, check power connections. |
| Display issues (e.g., incorrect resolution) | Verify that the 'Original Car's Screen Resolution' setting is correctly configured for your vehicle (e.g., 800x480 for NBT/CIC/EVO). |
| Difficulty switching between original and Android systems | Ensure the 'Auto Switch to AUX' and 'Enter OEM Screen After Boot-up' settings are configured as desired in the car settings menu. |
8. User Tips
- Pre-Installation Check: Always confirm your car's original system (CCC/CIC/NBT/EVO) and AUX input availability before starting installation to avoid compatibility issues.
- Professional Installation: For complex wiring and system integration, consider professional installation to ensure correct setup and prevent damage.
- Regular Updates: Keep the device's firmware updated to benefit from the latest features, performance improvements, and bug fixes.
- Optimize Audio: Utilize the DSP sound effect settings to fine-tune the audio output to your preference, creating a personalized listening experience.
- Leverage Split Screen: Use the split-screen function for multitasking, such as having navigation open while controlling music, to enhance convenience during drives.
- Day/Night Mode: Take advantage of the automatic day/night mode adjustment for optimal screen visibility and reduced eye strain in varying light conditions.
9. Warranty and Support
For any product-related inquiries, technical support, or warranty claims, please contact the seller or manufacturer directly. Ensure you have your purchase details and product model information ready when contacting support.