Owtosin Universal Car Head Unit Instruction Manual

1. Introduction

This manual provides detailed instructions for the installation, operation, and maintenance of your Owtosin Universal Car Head Unit. This advanced multimedia system offers a powerful in-car entertainment and navigation experience, running on Android 13 with various CPU configurations including UIS7870, Qualcomm Snapdragon 665 (SM6125), UIS7862, UIS8581, and T100. It features 4G LTE/WiFi internet connectivity, Bluetooth, CarPlay, Android Auto, and optional advanced functionalities.

Important Notes:

This unit does not have a built-in DVD/CD player or SD card slot. External media can be connected via USB.
Different models within this series have varying hardware and software configurations (e.g., RAM, ROM, CPU type, screen resolution). Please refer to the specifications section for details on your specific model.

2. Specifications

The Owtosin Universal Car Head Unit is available in several configurations. Key specifications are outlined below:

Feature	Description
Brand Name	Owtosin
Operating System	Android 13
Din Type	Double Din
Processor Type	UIS7870A A76 / Snapdragon 665 / UIS7862 / UIS8581 / T100
Processor Speed	Up to 2.7GHz
RAM	2G, 3G, 4G, 6G, 8G, 12G (depending on model)
ROM	32G, 64G, 128G, 256G (depending on model)
Display Size	9", 10", 10.1", 10.35", 9.5", 10.36"
Resolution	QLED 20001200 / 1280800 / 1280*720P
Touch Screen	Yes
Tuner Type	7870 TDA7708 (AM/FM Band RDS)
Out Power	ROHM32107/TDA7851 4*50W
Bluetooth	Bluetooth 5.0
Network	4G LTE SIM (built-in module), WiFi (2.4G/5G dual band)
Special Features	Built-In Speaker/Microphone, WiFi function, Steering wheel control, 3G/4G Network support, Can-Bus support, Built-in GPS, Charger, Mobile Phone, MP3 players, Voice Control, DSP, CarPlay, Android Auto, Reversing Input, Split Screen
Digital Media Format	CD, DVD-R/RW, DVD-RAM, VIDEO CD, Mp3, MP4, WMA, JPEG
OSD Language	Multi-language support (Chinese, English, Arabic, German, French, Spanish, etc.)
Item Weight	1.7kg
Voltage	12 V
Material	Plastic and Metal
Certification	CE
Accessory Type	Power Harness, USB Cable, GPS/4G Antenna, AHD Rear View Camera, RCA Cable

Model Comparison Overview:

Parameter Comparison Table for T100, UIS8581, UIS7862, QCM6125, UIS7870 models — Detailed parameter comparison for T100, UIS8581, UIS7862, QCM6125, and UIS7870 models, showing CPU, Android version, RAM+ROM, screen type, radio IC, DSP IC, CarPlay/Android Auto, WiFi, 4G LTE, USB cables, cooling fan, 360 camera, optical/coaxial output, Type-C, and basic features.

3. Package Contents

The standard package includes the following items. Specific accessories may vary slightly depending on the model purchased.

Main Head Unit
16PIN Power Harness (ISO power harness by default)
USB Cables (2 or 3, depending on model)
GPS Antenna
4G Antenna (for models with 4G LTE)
AHD Rear View Camera
RCA Cable
External Microphone
User Manual
Cooling Fan (for some models)
USB4 Type-C to Type-C Cable (for UIS7870)

Accessories included with T100, UIS8581, UIS7862/QCM6125, and UIS7870 models — Visual representation of accessories included with T100, UIS8581, UIS7862/QCM6125, and UIS7870 models, including GPS antenna, USB cables, camera input, external MIC, user manual, RCA cables, 4G antenna, cooling fan, and Type-C cable.

4. Setup and Installation

Installation of the car head unit requires technical knowledge. It is highly recommended to have the unit installed by a qualified professional to avoid damage to the unit or your vehicle.

4.1 Pre-installation Notes

Ensure the vehicle's power is disconnected before starting installation.
Verify the dimensions of the head unit against your car's dashboard opening. This unit is designed for universal 2 DIN slots, but specific fascia kits may be required for a perfect fit.
Confirm compatibility with your vehicle's CAN-Bus system if applicable.

Dimensions for 9 inch, 10.1 inch, 9.35 inch, 10.35 inch, 9.5 inch, and 10.36 inch head units — Various screen sizes and their corresponding dimensions for 9 inch, 10.1 inch, 9.35 inch, 10.35 inch, 9.5 inch, and 10.36 inch head units, indicating radio frame inner size.

4.2 Power Cable Selection

The unit comes with a standard 16PIN ISO power harness. If your vehicle requires a different power harness (e.g., for Toyota, Honda, VW, Nissan, Suzuki, KIA/Hyundai, Ford), you must obtain the correct adapter cable. Please ensure the correct power cable is used to prevent damage.

Various power cables for different car brands: ISO, Toyota, Honda, VW Old, Nissan Old, Suzuki, KIA/Hyundai, Ford — Diagram showing different types of power cables for various car brands, including ISO, Toyota Series, Honda Series, VW Old Series, Nissan Old Series, Suzuki Series, KIA/Hyundai Series, and Ford Series. Users should choose the correct cable for their vehicle.

4.3 Wiring Diagrams

Carefully follow the wiring diagram specific to your head unit's chipset (T100, UIS8581, UIS7862/QCM6125, or UIS7870) to ensure proper connection of all components, including power, speakers, USB, GPS antenna, 4G antenna, and camera inputs.

Detailed wiring diagrams for T100, UIS8581, UIS7862/QCM6125, and UIS7870 car head units — Comprehensive wiring diagrams for T100, UIS8581, UIS7862/QCM6125, and UIS7870 models, illustrating connections for power harness, RCA cables, USB, GPS antenna, 4G antenna, cooling fan, and camera inputs.

4.4 Physical Installation

Remove the existing car radio or blank panel from the dashboard.
Connect the appropriate power harness, speaker wires, and other necessary cables according to the wiring diagram.
Install the GPS antenna in a location with a clear view of the sky (e.g., on the dashboard or under the windshield).
For 4G models, install the 4G antenna and insert a compatible SIM card.
Carefully slide the new head unit into the dashboard opening, ensuring all cables are not pinched.
Secure the head unit using mounting brackets or screws provided.
Reconnect the vehicle's power.

5. Operating Instructions

5.1 Basic Operation

Power On/Off: Press and hold the power button (usually on the front panel or screen) to turn the unit on or off. A short press typically mutes/unmutes audio.
Touch Screen: The unit features a responsive QLED IPS touch control screen. Navigate by tapping, swiping, and pinching as you would on a smartphone or tablet.
Volume Control: Adjust volume using the physical buttons or on-screen controls.

5.2 Android 13 System

Your head unit runs on Android 13, providing a familiar and customizable interface. Access apps, settings, and features directly from the home screen. The Google Play Store is pre-installed, allowing you to download and install additional applications.

User interface examples for the UIS7870 Android 13 car head unit — Various user interface screens for the UIS7870 model, showcasing home screens, app menus, music player, video player, radio, 3D dynamic display, online radio, and DSP settings.

5.3 Connectivity

WiFi: Connect to available WiFi networks (2.4GHz and 5GHz dual-band supported on most models) for internet access, app downloads, and online services.
4G LTE: For models with built-in 4G LTE, insert a compatible SIM card to enable mobile data connectivity. This allows for online navigation, streaming, and app usage without relying on a phone hotspot.
Bluetooth 5.0: Pair your smartphone via Bluetooth for hands-free calling, contact synchronization, and audio streaming. The unit supports Bluetooth 5.0 for faster transfer speeds, wider coverage, and enhanced anti-interference.

Built-in 4G LTE and WiFi features, including supported bands and speed comparisons — Diagram illustrating the built-in 4G LTE and WiFi capabilities, including supported GSM, WCDMA, TD-SCDMA, TDD-LTE, and FDD-LTE bands. It also shows 2.4GHz and 5GHz WiFi networking with speed and signal characteristics.

Built-in Radio Function with RDS and Bluetooth 5.0 for hands-free calling and music streaming — Image detailing the built-in radio function with AM/FM/RDS support and Bluetooth 5.0 capabilities for hands-free calls and high-fidelity audio streaming.

5.4 CarPlay & Android Auto

The unit supports both wireless CarPlay and Android Auto, allowing seamless integration with your smartphone. Connect your iPhone or Android device to access navigation, music, messages, and calls directly from the head unit's display.

Built-in Wireless CarPlay and Android Auto interface on the car radio screen — Visual representation of the built-in Wireless CarPlay and Android Auto interfaces, showing navigation, music playback, and app icons on the car radio screen.

5.5 Navigation

Utilize built-in GPS functionality with pre-installed map applications or download your preferred navigation apps from the Google Play Store. The system supports real-time traffic updates and voice guidance.

3D Car Model Dynamic Driving display with driving speed, compass, audio selection, and trip record — The 7870 model supports Car Model Driving Info Display and 3D real-time dynamic driving, showing driving speed, compass, audio media selection, average speed, and trip record.

5.6 Radio

The unit features an AM/FM radio tuner with RDS (Radio Data System) support. You can also access thousands of online radio channels from 40 countries via the Internet Online Radio feature (available on 7870 models).

Internet Online Radio interface showing various radio stations and countries — The Internet Online Radio interface, demonstrating access to thousands of radio channels from 40 countries, eliminating noise interference for a better listening experience.

5.7 Multimedia Playback

Play various digital media formats including MP3, MP4, WMA, and JPEG. Connect USB drives to access your media library. The unit supports video playback up to 2K resolution on UIS7870 models.

5.8 DSP & DTS Tuning

Enhance your audio experience with the built-in DSP (Digital Sound Processor) and DTS (Digital Theater System) tuning features. Adjust equalizer settings, surround sound, bass boost, and bass filter for a personalized sound profile.

Built-in DSP tuning interface with equalizer, sound field, surround, bass boost, and bass filter settings — The DSP tuning interface, allowing users to adjust EQ settings, sound field, surround sound, bass boost, and bass filter for optimal audio output.

7870 Built-in DTS Tuning with 5.1 Channel support and 32-band EQ — The DTS tuning interface for the 7870 model, featuring 5.1 channel surround sound and a 32-band EQ (AKM7738VQ) for professional audio quality.

5.9 Split Screen Functionality

The split-screen feature allows you to run two applications simultaneously, such as navigation and music playback, enhancing multitasking capabilities.

5.10 Steering Wheel Control

The unit supports steering wheel control, allowing you to manage audio, calls, and other functions without taking your hands off the wheel. Configuration may be required in the system settings.

5.11 External USB Support

Most models support 2 or 3 external USB ports for connecting USB products or U disks. The UIS7870 model supports 4 USB ports, including a Type-C port.

Image showing three USB extension cables for external USB devices — Image illustrating three USB extension cables, highlighting the unit's support for external USB products or U disks.

5.12 Optional Features

Depending on your purchased configuration and additional accessories, your unit may support:

Voice Control: Control various functions using voice commands.
360 Panoramic Camera: Provides a comprehensive 360-degree view around your vehicle, aiding in parking and maneuvering. It can also record 4-way AHD video simultaneously.
TPMS (Tire Pressure Monitoring System): Displays real-time tire pressure and temperature.
ADAS (Advanced Driver Assistance System): Features like lane departure warning and front collision warning.
Front Parking Camera: Assists with front parking maneuvers.
DAB Box + Antenna: For digital audio broadcasting.
HDMI & AV Video Out Adapter: For connecting external displays.

Explanation of 360 Camera Panoramic Function, including field of view, blind spot avoidance, and 4-way AHD recording — Detailed explanation of the 360 Camera Panoramic Function, showing field of view, blind spot areas, and how it helps avoid common problems like blind spots, accidents, and parking difficulties. It also highlights 4-way AHD recording.

Overview of optional features including Voice Control, 360 Panoramic Camera, TPMS, ADAS, Front Parking Camera, DAB Box+Antenna, and HDMI & AV Video Out Adapter — Visual summary of various optional features such as voice control, 360 panoramic camera, TPMS, ADAS, car front/rear view, AHD rear view camera, front parking camera, DAB box+antenna, and HDMI & AV video out adapter.

6. Maintenance

6.1 Cleaning

Use a soft, dry cloth to clean the screen and exterior of the unit.
Avoid using abrasive cleaners or solvents, as they may damage the display or finish.

6.2 Software Updates

Periodically check for software updates through the unit's settings menu or the manufacturer's website. Keeping the software updated ensures optimal performance, new features, and bug fixes.

6.3 Cooling System

Some models include a built-in cooling fan and aluminum alloy heat sink to manage operating temperature. Ensure proper ventilation around the unit to prevent overheating.

G+G Full Fit Lamination Screen, Aluminum Alloy Heat Sink, Built-in Cooling Fan, and External USB support — Diagram illustrating hardware features: G+G Full Fit Lamination Screen for improved display, Aluminum Alloy Heat Sink for efficient heat dissipation, and a Built-in Cooling Fan to prevent overheating. Also shows support for external USB connections.

7. Troubleshooting

Unit does not power on: Check all power connections and fuses. Ensure the vehicle's battery is charged.
No sound: Verify speaker connections, volume settings, and audio source selection. Check DSP settings.
GPS signal lost or inaccurate: Ensure the GPS antenna has a clear view of the sky. Check antenna connection.
CarPlay/Android Auto not connecting: Ensure your phone is compatible and its software is updated. Try restarting both the head unit and your phone. Check USB cable connection if using wired CarPlay/Android Auto. For wireless, ensure Bluetooth and Wi-Fi are enabled on your phone and paired correctly.
Touch screen unresponsive: Try restarting the unit. If the issue persists, contact support.
Unit overheating: Ensure the cooling fan (if present) is functioning and not obstructed. Check for proper ventilation around the unit.

8. User Tips

Compatibility Check: While this unit is universal 2 DIN, always confirm if it fits your specific car model and if any additional fascia or wiring adapters are needed. If unsure, contact the seller before purchase.
Professional Installation: For best results and to avoid potential damage, consider professional installation.
CarPlay Connection: If you experience issues connecting CarPlay, ensure your phone's software is up-to-date and try restarting both devices. Sometimes, simply re-pairing the Bluetooth connection can resolve the issue.

9. Warranty and Support

All Owtosin car head units come with a 12-month manufacturer warranty, covering defects in materials and workmanship under normal use. The warranty does not cover damage resulting from improper installation, accidents, misuse, abuse, incorrect wiring, or operating with incorrect voltage.

For technical support, troubleshooting assistance, or warranty claims, please contact the seller or manufacturer directly. Provide your purchase details and a clear description of the issue, including any pictures or videos if applicable.