1. Introduction
This manual provides detailed instructions for the installation, operation, and maintenance of your GUA 12.1-inch Android Car Stereo Upgrade, Model V2. Please read this manual thoroughly before installation and use to ensure proper functionality and to maximize your experience.
The GUA 12.1-inch Android Car Stereo is designed to enhance your driving experience with advanced features such as GPS navigation, Apple CarPlay, Android Auto, Bluetooth connectivity, and a large HD touch screen display.

Image 1.1: GUA 12.1-inch Android Car Stereo installed in a Ford F150 dashboard.
2. Vehicle Compatibility
This car radio is compatible with Ford F150 models from 2015 to 2020, across all trim levels. It features a plug-and-play design, eliminating the need for special dongles for most 2015-2020 F150 models.
- Note for 2020+ Super Duty Trucks: For models with base and B&O systems, special harnesses are not required.
- This radio will not retain your original audio system.
- Model V2 is specifically compatible with the B&O Audio System and does not require an extra adapter or special wiring harnesses for B&O integration.

Image 2.1: GUA 12.1-inch Android Car Stereo highlighting compatibility with Ford F150 2015-2020 models.
3. What's in the Box
Please verify that all components listed below are included in your package:
- 12.1" Capacitive Touch Screen (x1)
- Custom Bezel (x1)
- Main Harness (x1)
- GPS Antenna (x1)
- Knob/USB/Radio Cable/CanBox (x1)
- Audio Out Harness (V2 Only) (x1)
- Video/Audio In Harness (x1)
- Tool Kit (x1)

Image 3.1: Visual representation of the package contents for the GUA 12.1-inch Android Car Stereo.
4. Setup and Installation
The GUA 12.1-inch Android Car Stereo is designed for a plug-and-play installation in compatible Ford F150 models. While the design simplifies the process, professional installation is recommended to ensure correct wiring and integration with your vehicle's systems.
4.1. Retained Factory Functions
The unit is designed to retain and integrate the following factory functions:
- USB ports
- Steering Wheel Controls
- Steering Wheel Heater
- Ambient Lighting Controls
- Heated Seat Controls
- Cooled Seat Controls
- Massaging Seat Controls
- Factory Rear Camera
- Factory Front Camera
- Factory 360-Degree Camera (no additional adapter required for 360 system)
- Manual HVAC Controls
- Automatic HVAC Controls
- Factory Remote Start
- Factory Wi-Fi Hotspot
- B&O Audio System (V2 Only, no additional adapter required)
4.2. Non-Retained Factory Functions
The following factory functions are not retained with the installation of this unit:
- SYNC system
- Satellite radio
- HD radio
- CD Player
- Driver Information Center radio & navigation displays
- Auto-parking/Parking assistance
- Auto HVAC & heated seats/wheel from factory remote start (manual settings are supported)

Image 4.1: Comparison of the Ford F150 dashboard before and after installation of the GUA 12.1-inch Android Car Stereo.
5. Operating Instructions
The GUA 12.1-inch Android Car Stereo features an intuitive touch screen interface for easy operation of all functions.
5.1. GPS Navigation
The unit includes built-in Polnav GPS Satellite Navigation by Polstar Technologies. It supports both online and offline maps, including popular applications like Apple Maps, Google Maps, and Waze. This allows for focused navigation while driving.

Image 5.1: The GUA 12.1-inch Android Car Stereo displaying a GPS navigation map.
5.2. Apple CarPlay and Android Auto
The system features built-in wired Apple CarPlay (licensed) for seamless integration with iPhone capabilities. It also supports Mirror Link, allowing you to project your mobile phone screen onto the car stereo display. Wireless Android Auto is supported.

Image 5.2: The GUA 12.1-inch Android Car Stereo displaying the Apple CarPlay interface.
5.3. Bluetooth Connectivity
The licensed Bluetooth module supports hands-free calling, phone book download, and APTX Loss Less music streaming for high-quality audio playback.
5.4. AM/FM Radio
Enjoy AM/FM radio with a DSP (Digital Signal Processor) featuring a 10-channel EQ for customized audio. The unit includes Pre-Amp Out RCA 5.1 Channels for aftermarket speakers and F150 audio upgrades.
5.5. Media Playback and Internet Access
The system supports USB media playback. With the built-in WiFi module, you can share a hotspot from your phone to access online content, watch videos, or browse the internet. A warning is displayed for video playback while driving:
Warning: As the driver, you may not use applications that will distract you from traffic. Please engage the parking brake to watch video.
5.6. Camera Support
The unit includes a reserved video channel for additional camera signal input, supporting front, rear, and 360-degree cameras.
5.7. Feature Demonstration Video
Watch this video for a demonstration of the GUA 12.1-inch F-150 screen features, including climate control, navigation, video playback, and camera views.
Video 5.1: Demonstration of GUA 12.1-inch F-150 Screen Features.
6. Maintenance
To ensure the longevity and optimal performance of your GUA car stereo, follow these maintenance guidelines:
- Operating Temperature: The unit is designed to operate reliably within a temperature range of -40°F to 185°F (-40°C to +85°C).
- Screen Cleaning: Use a soft, lint-free cloth to gently wipe the touch screen. Avoid abrasive cleaners or harsh chemicals that could damage the display.
- General Care: Keep the unit free from dust and moisture. Ensure all connections are secure.
7. Troubleshooting
If you encounter any issues with your GUA 12.1-inch Android Car Stereo, please refer to the following general advice:
- No Power: Check all power connections and fuses. Ensure the vehicle's ignition is on.
- No Audio: Verify speaker connections and audio settings. Ensure the volume is not muted or set too low.
- Touch Screen Unresponsive: Try restarting the unit. If the issue persists, contact technical support.
- GPS Signal Issues: Ensure the GPS antenna is properly installed and has a clear view of the sky.
- Connectivity Problems (Bluetooth/Wi-Fi): Check device pairing and network settings. Ensure devices are within range.
For further assistance, our professional technical support team is available 24/7 to answer your questions and provide guidance.
8. Specifications
Key technical specifications for the GUA 12.1-inch Android Car Stereo (Model V2):
| Feature | Specification |
|---|---|
| Brand | GUA |
| Model Name | Car Radio Stereo Upgrade for Ford F150 |
| Vehicle Service Type | Truck |
| Screen Size | 12.1 Inches |
| Special Features | Touchscreen, GPS Navigation, WiFi, Wired Apple CarPlay (Licensed), Bluetooth (Licensed) |
| Connectivity Technology | Bluetooth, Licensed Apple CarPlay (Wired), USB Media Playback |
| Map Type | North America |
| Audio Output Mode | Stereo, Speaker |
| Mounting Type | Dashboard Mount |
| Resolution | 1024 x 768 |
| Operating System | Android |
| Memory Storage Capacity | 32 GB |
| Touch Screen Type | Capacitive |
| Display Type | LCD |
| Human-Interface Input | Touchscreen |
| Compatible Devices | Ford F150 2015 2016 2017 2018 2019 2020 |
| Control Method | Touch |
| Supported Satellite Navigation System | GPS |
| Item Dimensions L x W x H | 12.1"L x 4"W x 8"H |
| Item Weight | 3.36 Kilograms |
| FCC ID Certification | No.2AS5B-V1TSM19FA |
| Operating Temperature | -40°F to 185°F (-40°C to +85°C) |

Image 8.1: Detailed specifications for the GUA 12.1-inch Android Car Stereo.
9. Warranty and Support
GUA is committed to delivering in-vehicle safety and product satisfaction. Your purchase includes the following:
- 2-Year Product Warranty: Covers manufacturing defects and ensures product reliability.
- 30-Day Money Back Guarantee: For your peace of mind.
- Lifetime Technical Support: Our professional technical support team is available 24/7 to assist you with any questions or issues.
- OEM Hardware Quality Standards: Our upgrade radio screen meets international recognized OEM hardware quality standards.
- Durability: Designed to withstand 50-g shock impact, simulating accident conditions.
For technical assistance or warranty claims, please contact GUA customer service through the platform where you purchased the product or refer to the contact information provided with your packaging.