1. Introduction
Thank you for choosing the PASLDA Portable Wireless Carplay and Android Auto Screen. This device is designed to enhance your driving experience by providing seamless integration of your smartphone's essential features directly onto a convenient 7-inch HD touchscreen. This manual provides detailed instructions for setup, operation, and maintenance to ensure optimal performance and safety.
Key features include wireless Apple CarPlay and Android Auto, Mirror Link functionality, Bluetooth 5.2 for hands-free calling and audio streaming, multiple audio output options (Bluetooth, AUX, FM Transmitter, built-in speaker), and an included HD backup camera for safer parking.
2. Safety Information
- Always operate the device responsibly and in accordance with local traffic laws.
- Do not attempt to install or service the device while driving.
- Ensure the device is securely mounted and does not obstruct your view or interfere with vehicle controls.
- Avoid exposing the device to extreme temperatures, direct sunlight for prolonged periods, or excessive moisture.
- Use only the provided power cable and accessories to prevent damage or fire.
3. Package Contents
Please check the package for the following items:
- Wireless Car Stereo Unit
- Power Cable + AUX Cable
- Backup Camera
- Adhesive Mount
- User Manual
4. Product Overview
The PASLDA Portable Wireless Carplay and Android Auto Screen features a 7-inch HD touchscreen display, providing a clear and responsive interface for all functions. The unit is designed for easy installation and compatibility with a wide range of vehicles.

Image: The main unit displaying the user interface, with a hand interacting with the screen. A backup camera and a smartphone showing CarPlay/Android Auto logos are also visible, illustrating connectivity.
The device includes various ports for connectivity, such as an AUX port, TF card slot, AV IN, and a Type-C power port, all integrated into its compact design.

Image: A diagram showing the dimensions of the 7-inch screen (7.36" x 4.21" x 0.90") and the location of its various ports: AUX port, TF card slot, AV IN, and Type-C power port.
5. Setup
The PASLDA car stereo is designed for easy installation, eliminating the need for complex wiring often associated with traditional car stereos. It comes with an adhesive mount for flexible placement on your dashboard.

Image: A visual comparison highlighting the simplicity of installing the PASLDA unit (left) compared to the tedious wiring required for traditional car stereos (right). It also shows compatibility with various car types.
5.1 Mounting the Device
- Choose a suitable location on your dashboard that does not obstruct your view or interfere with airbags and other vehicle controls.
- Clean the mounting surface thoroughly to ensure good adhesion.
- Attach the adhesive mount to the chosen location and secure the main unit to the mount.
5.2 Power Connection
Connect the provided power cable to the Type-C power port on the device and plug the other end into your vehicle's 12-24V power outlet (cigarette lighter socket).
5.3 Backup Camera Installation
The included backup camera provides enhanced safety during reversing. Connect the camera cable to the AV IN port on the main unit. For automatic display when reversing, the camera's power cable should be connected to your vehicle's reverse light power supply. Consult a professional if you are unsure about wiring.

Image: A diagram illustrating the connection of the HD backup camera to the main unit and its power source from the car's reverse light. Icons highlight its features: high definition, night vision, 170° viewing angle, and waterproof protection.
6. Operating Instructions
6.1 Wireless Apple CarPlay & Android Auto
This device supports both wireless and wired Apple CarPlay and Android Auto. Connect your smartphone via Bluetooth 5.2 to access navigation, make phone calls, send messages, and play music directly from the screen. Use voice assistants like Siri or Google Assistant for hands-free control.

Image: An in-car perspective showing the screen displaying Apple CarPlay and Android Auto interfaces, with icons for Siri, Navigation, Music, and Calls. A smartphone below indicates wireless connection.
6.2 Audio Output Modes
The device offers multiple ways to output audio, allowing you to choose the best option for your vehicle's audio system:
- Bluetooth Connection to Car Speakers: Connect the device to your car's existing Bluetooth system for enhanced sound quality.
- AUX Cable: Use the provided AUX cable to connect the device to your car's AUX input.
- FM Transmitter: Transmit audio to your car's FM radio by tuning both the device and your car radio to the same FM frequency.
- Built-in Speaker: The device has a built-in speaker for direct audio output.

Image: A four-panel illustration demonstrating the different audio output options: Bluetooth connection to car speakers, AUX cable connection, FM transmission, and using the built-in speakers.
6.3 Wireless Mirror Link Function
The mirror link function allows you to display your smartphone's screen content directly on the 7-inch unit. This feature supports both Android and iOS devices and can be used to sync and play various video applications.
6.4 Customizing Boot Logo
The device supports customizing the boot logo. For instructions on how to upgrade and personalize your boot logo, please contact the PASLDA technical support team.

Image: The screen displaying a mirrored smartphone video, illustrating the Mirror Link function. Below, various car brand logos are shown, indicating the ability to customize the boot logo.
7. Maintenance
- Cleaning the Screen: Use a soft, lint-free cloth to gently wipe the screen. For stubborn smudges, slightly dampen the cloth with water or a screen cleaner designed for electronics. Avoid harsh chemicals or abrasive materials.
- General Care: Keep the device free from dust and debris. Ensure all cables are securely connected. If the device will not be used for an extended period, disconnect it from the power source.
8. Troubleshooting
If you encounter issues with your PASLDA Portable Wireless Carplay and Android Auto Screen, please refer to the following common troubleshooting steps:
| Problem | Possible Cause | Solution |
|---|---|---|
| Device does not power on | Loose power connection; Vehicle power outlet issue | Ensure power cable is securely plugged into both the device and the vehicle's power outlet. Check if the vehicle's power outlet is functioning. |
| Cannot connect to CarPlay/Android Auto wirelessly | Bluetooth not enabled; Incorrect pairing process; Phone compatibility issue | Ensure Bluetooth is enabled on both the device and your smartphone. Follow the pairing instructions in your phone's settings. Restart both devices. |
| No audio output | Incorrect audio output mode selected; Volume too low; Loose AUX/FM connection | Verify the selected audio output mode (Bluetooth, AUX, FM, Built-in Speaker). Increase volume on both the device and your car stereo. Check AUX cable connection or FM frequency. |
| Backup camera image not displayed | Loose camera connection; Incorrect wiring to reverse light | Check the connection of the camera cable to the AV IN port. Ensure the camera's power is correctly wired to the vehicle's reverse light. |
| Screen is unresponsive or frozen | Temporary software glitch | Disconnect the power cable, wait a few seconds, and then reconnect it to restart the device. |
9. Specifications
| Brand | PASLDA |
| Model Number | FX-WCS-803 |
| Product Dimensions | 7.36 x 4.21 x 0.9 inches |
| Item Weight | 1.85 pounds |
| Screen Size | 7 Inches |
| Display Type | LCD |
| Connectivity Technology | Bluetooth |
| Color | Black |
10. Warranty and Support
PASLDA is committed to providing high-quality products and customer satisfaction. Your purchase includes:
- 30-day Money-Back Guarantee
- 12-month Replacement Warranty
- Lifetime Technical Support
If you have any questions, require technical assistance, or need to claim warranty service, please do not hesitate to contact the PASLDA support team. We are dedicated to helping you resolve any issues as quickly as possible.





