Philosin S3H004A-Y25E
Philosin 13.3 Inch Universal Double DIN Rotatable Android Car Stereo User Manual
Model: S3H004A-Y25E
1. Introduction
This manual provides detailed instructions for the installation, operation, and maintenance of your Philosin 13.3 Inch Universal Double DIN Rotatable Android Car Stereo. Please read this manual thoroughly before using the product to ensure proper function and safety.

Image 1.1: Front view of the Philosin 13.3 Inch Universal Double DIN Rotatable Android Car Stereo.
2. Safety Information
To prevent accidents and ensure safe operation, observe the following precautions:
- Before installation, ensure the vehicle's battery power (ACC power) is disconnected. This prevents electrical shorts and potential damage to the unit or vehicle.
- Do not attempt to operate the unit in a way that distracts you from driving. Always prioritize road safety.
- Consult a professional for installation if you are unsure about any steps. Incorrect installation can lead to damage or malfunction.
3. Product Features
The Philosin Car Stereo offers a range of advanced features for an enhanced in-car experience:
- Android 10.0 System: Powered by an A55 Octa-Core Processor (1.8GHz, 2*ARM Cortex A75 + 6*ARM Cortex A55) with 6GB RAM and 128GB ROM. Supports Google Play Store for app downloads.
- Rotatable 13.3 Inch IPS Display: High-definition 1920x1080 IPS touch screen with motorized rotation, allowing for vertical or horizontal display modes.
- Connectivity: Integrated 4G module (requires SIM card, calling/texting not supported), Bluetooth 5.0 for hands-free calling and music streaming, and Wi-Fi (2.4G/5G Hz) for internet access.
- Smartphone Integration: Wireless Apple CarPlay and Android Auto compatibility (Car Link 2.0).
- Audio Features: 3 RCA Preouts (Front, Rear, Subwoofer output), SPDIF Digital Coaxial Output, 16 Band EQ with speaker time alignment, and built-in DSP.
- Navigation: Supports GPS navigation with pre-installed maps or Google Maps, and optional iGO NextGen Navigation System.
- Additional Functions: Steering wheel control compatibility, AM/FM radio, reverse camera input (camera not included), and Picture-in-Picture mode.

Image 3.1: Overview of the car stereo's main features and capabilities.

Image 3.2: Internal specifications highlighting the Android 10.0 system and hardware.
4. Package Contents
Verify that all items are present in the package:
- 13.3 Inch Screen
- Head Unit
- 8 Kinds of Wiring Harnesses (including power cable, RCA cables, USB cables, GPS antenna, external microphone, camera input cable)

Image 4.1: Included wiring harnesses and accessories.
5. Setup and Installation
5.1 Pre-Installation Checks
- Ensure the head unit of your original car is at least 7 inches (length ≥ 178mm, width ≥ 100mm) to accommodate the 13.3-inch car stereo.
- Before beginning installation, disconnect the car battery power by opening the car hood. Ensure the ACC power is off before removing the existing head unit.
5.2 Wiring Connections
Connect the provided wiring harnesses to the corresponding ports on the car stereo and your vehicle's wiring system. Refer to the wiring diagram for specific connections.
- Power Cable: Connect to your vehicle's power supply (ACC, B+, Ground).
- RCA Preouts: For connecting external amplifiers (front, rear, subwoofer).
- USB Cables: For USB devices, APK file installs, and wired CarPlay/Android Auto.
- GPS Antenna: Connect the GPS antenna. Do not place it in the center console as this may affect the GPS signal. Optimal placement is typically on the car's A-Pillar or another location with a clear view of the sky.
- External Microphone: Connect for improved call quality.
- Camera Input Cable: For connecting a reverse camera (camera not included).
5.3 SIM Card Installation (for 4G Module)
To utilize the 4G module for internet access, insert a Micro-SIM card into the designated slot on the head unit. Note that the 4G module supports internet access but not calling or texting functions.

Image 5.1: Location for Micro-SIM card insertion.
6. Operation
6.1 Power On/Off
The unit will power on automatically when the vehicle's ignition is turned on. To power off, turn off the vehicle's ignition.
6.2 Rotatable Screen
The 13.3-inch screen features motorized rotation. Use the on-screen controls or physical buttons (if available) to switch between vertical and horizontal display modes. This allows for optimal viewing based on your preference and vehicle's dashboard layout.

Image 6.1: Horizontal screen mode.

Image 6.2: Vertical screen mode.
6.3 Android System and Apps
The unit runs on Android 10.0. You can access the Google Play Store to download and install various applications, similar to a smartphone or tablet. Navigate the interface using the touchscreen.

Image 6.3: Android interface with app access and voice assistant integration.
6.4 Apple CarPlay / Android Auto
Connect your smartphone wirelessly or via USB to use Apple CarPlay or Android Auto. This allows you to access navigation, music, messages, and other compatible apps directly from the car stereo's display.

Image 6.4: Apple CarPlay interface on the car stereo.
6.5 Bluetooth 5.0
Pair your smartphone via Bluetooth for hands-free calling and wireless audio streaming. Access your phonebook and manage calls directly from the stereo.

Image 6.5: Bluetooth calling interface.
6.6 GPS Navigation
Utilize the built-in GPS module for navigation. The unit supports various mapping applications available through the Google Play Store, including Google Maps. Ensure the GPS antenna is properly installed for optimal signal reception.

Image 6.6: GPS navigation display.
6.7 AM/FM Radio
Access local radio stations using the integrated AM/FM tuner. Scan for stations and save your favorites for quick access.

Image 6.7: AM/FM radio interface.
6.8 Steering Wheel Controls
If your vehicle supports it, you can program the car stereo 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.
6.9 Reverse Camera Input
When a compatible reverse camera is connected and the vehicle is shifted into reverse, the screen will automatically display the camera feed, often with parking guidelines.

Image 6.8: Reverse camera display.
7. Maintenance
To ensure the longevity and optimal performance of your car stereo, follow these maintenance guidelines:
- 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-cleaning solution. Avoid harsh chemicals or abrasive materials.
- Software Updates: Periodically check for software updates through the unit's settings or the manufacturer's website to ensure you have the latest features and bug fixes.
- Environmental Conditions: Avoid exposing the unit to extreme temperatures, direct sunlight for prolonged periods, or excessive moisture.
8. Troubleshooting
If you encounter issues with your car stereo, refer to the following common problems and solutions:
| Problem | Possible Cause | Solution |
|---|---|---|
| Unit does not power on. | Incorrect wiring; Blown fuse; No ACC power. | Check power connections (B+, ACC, Ground). Verify vehicle fuse and unit fuse. Ensure ACC power is active. |
| No GPS signal or inaccurate navigation. | GPS antenna improperly placed or disconnected. | Ensure GPS antenna is securely connected and placed in a location with a clear view of the sky (e.g., A-Pillar), not obstructed by the center console. |
| Bluetooth connection issues. | Device not in pairing mode; Interference; Software glitch. | Ensure your phone's Bluetooth is on and discoverable. Delete previous pairings and re-pair. Restart both devices. |
| Screen rotation malfunction. | Motor obstruction; Software issue. | Ensure no physical obstructions. Try restarting the unit. If the issue persists, contact customer support. |
| Cannot access certain settings (requires passcode). | Security feature. | The passcode for custom settings is 3368. |
| Poor radio reception. | Antenna issue; Weak signal area. | Check antenna connection. Consider an antenna booster if in a known weak signal area. |
9. Specifications
| Feature | Detail |
|---|---|
| Model Number | S3H004A-Y25E |
| Display Size | 13.3 Inches |
| Display Resolution | 1920×1080 IPS |
| Operating System | Android 10.0 |
| Processor | A55 Octa-Core, 1.8GHz |
| RAM | 6GB |
| ROM | 128GB |
| Bluetooth Version | 5.0 |
| Connectivity | Wi-Fi (2.4G/5G Hz), 4G LTE (SIM card required) |
| Audio Output Mode | Stereo |
| Preouts | 3 RCA (Front, Rear, Subwoofer) |
| Digital Output | SPDIF Digital Coaxial Output |
| Equalizer | 16 Band EQ with time alignment |
| Mounting Type | Dashboard Mount (Double DIN) |
| Item Weight | 6.1 pounds |
| Package Dimensions | 14.68 x 9.8 x 7.76 inches |
10. Warranty and Support
10.1 Warranty Information
This product comes with a 1-year warranty from the date of purchase. Please retain your proof of purchase for warranty claims.
10.2 Customer Service
The Philosin brand is committed to providing excellent customer service. If you encounter any issues during use or have questions regarding your product, please contact us. We will do our best to assist you in resolving any problems.
For support, please visit the Philosin Store on Amazon or refer to the contact information provided with your purchase.
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