1. Product Overview
This manual provides instructions for the ZWNAV Qualcomm Car Radio Android Auto system, designed as a replacement multimedia unit for Dodge RAM 1500, 2500, and 3500 trucks manufactured between 2019 and 2021. This system features an Android 11 operating system, a powerful Qualcomm Snapdragon 665 processor, and a large 12.1-inch touch screen display, integrating advanced navigation, entertainment, and connectivity features into your vehicle.

Image 1.1: Front view of the ZWNAV Qualcomm Car Radio Android Auto unit.
2. Package Contents
Verify that all items listed below are included in your package. If any components are missing or damaged, please contact customer support.

Image 2.1: Visual representation of the ZWNAV Car Radio package contents.
- GPS Navigation Unit (Main Head Unit)
- Power Cable
- Audio Cable
- RCA Cable
- GPS Antenna
- Microphone
- USB Cable
- Wi-Fi Antenna
- 4G Antenna
- Camera (if included in your specific package)
- Canbus Decoder
3. Setup and Installation
Installation of this car radio system requires technical knowledge and experience with automotive electronics. It is highly recommended to have the unit installed by a qualified professional to ensure proper functionality and to avoid damage to your vehicle or the product.
3.1 Compatibility Check
Ensure your vehicle is a Dodge RAM 1500, 2500, or 3500 model from the years 2019, 2020, or 2021. This unit is designed to integrate with your vehicle's existing systems, including support for Alpine amplifiers and factory seat heating/ventilation controls.
3.2 Basic Installation Steps (Professional Installation Recommended)
- Disconnect Battery: Before starting, disconnect the vehicle's battery to prevent electrical shorts.
- Remove Factory Unit: Carefully remove the existing factory radio and trim panels.
- Connect Wiring Harness: Connect the provided power cable and Canbus decoder to the vehicle's wiring harness. Ensure all connections are secure.
- Connect Antennas: Attach the GPS antenna, Wi-Fi antenna, and 4G antenna to their respective ports on the main unit. Position antennas in locations with clear signal reception.
- Connect Peripherals: Connect the microphone, USB cables, RCA cables, and any optional camera inputs.
- Test Functionality: Before fully reassembling the dashboard, reconnect the battery and perform a basic test of the unit's functions (power on, audio, touch screen, basic controls).
- Secure Unit and Reassemble: Once tested, securely mount the ZWNAV unit and reassemble all trim panels.

Image 3.1: Comparison of the dashboard before and after installing the ZWNAV Car Radio.
4. Operating Instructions
4.1 Power On/Off
The unit will typically power on automatically when the vehicle's ignition is turned on. To manually power off or restart, use the designated power button or menu option on the screen.
4.2 Touch Screen Interface
The 12.1-inch G+G Full-Fit Multi-Touch Capacitive Screen allows for intuitive control. Navigate through menus, select applications, and adjust settings by tapping, swiping, and pinching gestures, similar to a tablet device.
4.3 Android 11 System
The unit runs on Android 11, providing access to a wide range of applications and features. You can customize the home screen, download apps from the Google Play Store (internet connection required), and manage system settings.

Image 4.1: Depiction of the Android 11 system powered by the Qualcomm Snapdragon processor.
4.4 Wireless Carplay & Wired Android Auto
Connect your smartphone for seamless integration of navigation, music, calls, and messages. Wireless Carplay is supported for Apple devices, and wired Android Auto is supported for Android devices.
- For Wireless Carplay: Enable Bluetooth and Wi-Fi on your iPhone. Pair your iPhone with the car radio via Bluetooth. Follow the on-screen prompts to activate Carplay.
- For Wired Android Auto: Connect your Android phone to the car radio using a USB cable. Ensure Android Auto is installed on your phone and follow the on-screen prompts.

Image 4.2: User interface showing Wireless Carplay and Wired Android Auto functionality.
4.5 GPS Navigation
The unit comes with built-in GPS navigation, supporting North America map types. You can use pre-installed navigation apps or download others from the Google Play Store. Ensure the GPS antenna is properly installed for optimal signal reception.
4.6 Audio System and DSP
The integrated 7850 Power Amplifier IC provides 4-channel audio output up to 50W. Utilize the 16-segment EQ adjustment and crossover settings for subwoofer, treble, midrange, and bass to customize your audio experience.
4.7 4G LTE Connectivity
Insert a compatible SIM card into the designated slot to enable 4G LTE connectivity. This allows for online features such as streaming music, video, and real-time navigation updates without relying on a Wi-Fi hotspot from your phone.

Image 4.3: Details of the SIM card slot for 4G LTE and the Smart Voice Control 3.0 interface.
4.8 Voice Control
The system supports offline voice control in multiple languages. Activate voice commands to control various functions, such as navigation, music playback, and system settings, for a hands-free experience.
Note:
The default voice control language is English. To switch to other languages, access the voice control software settings and select your preferred language.
4.9 Split Screen Functionality
Utilize the split-screen feature to run two applications simultaneously. For example, you can have navigation displayed on one side and music controls on the other, enhancing multitasking capabilities.

Image 4.4: Demonstration of the split-screen feature on the 12.1-inch display.
4.10 Bluetooth 5.0
Connect Bluetooth-enabled devices such as smartphones for hands-free calling and audio streaming. Pair your device through the Bluetooth settings menu on the unit.
4.11 Steering Wheel Controls
The unit supports integration with your vehicle's factory steering wheel controls, allowing you to manage audio, calls, and other functions without taking your hands off the wheel.
4.12 AHD Reverse Camera
If a compatible AHD reverse camera is installed and connected, the display will automatically switch to the camera view when the vehicle is put into reverse, providing assistance for parking and maneuvering.
5. Maintenance
5.1 Screen Cleaning
To clean the touch screen, use a soft, lint-free cloth slightly dampened with water or a screen-cleaning solution. Avoid harsh chemicals or abrasive materials that could damage the screen surface.
5.2 Software Updates
Periodically check for software updates to ensure optimal performance and access to new features. Updates can typically be performed via Wi-Fi or USB, following the instructions provided within the system's settings menu.
6. Troubleshooting
If you encounter issues with your ZWNAV car radio, refer to the following common troubleshooting steps:
- No Power: Check all power cable connections. Ensure the vehicle's battery is properly connected and charged. Verify fuses are intact.
- No Sound: Check speaker connections. Verify volume levels and mute settings. Ensure the correct audio source is selected. Check DSP settings for any misconfigurations.
- GPS Not Working: Ensure the GPS antenna is securely connected and placed in a location with a clear view of the sky. Check GPS settings within the system.
- Bluetooth/Wi-Fi Connectivity Issues: Ensure Bluetooth/Wi-Fi is enabled on both the unit and your device. Try restarting both devices. Clear paired devices and attempt to re-pair.
- Touch Screen Unresponsive: Try restarting the unit. If the issue persists, a factory reset might be necessary (note: this will erase all user data).
- System Slow/Freezing: Close unnecessary applications. Clear cache if possible. A system restart often resolves temporary performance issues.
If these steps do not resolve the issue, please contact ZWNAV customer support for further assistance.
7. Specifications
| Feature | Specification |
|---|---|
| Model | Qualcomm Car Radio (8GB+128GB) |
| Operating System | Android 11 |
| Processor | Qualcomm Snapdragon 665 (Octa-Core: 4x Cortex-A73 @ 2.0GHz + 4x Cortex-A53 @ 1.8GHz) |
| RAM | 8GB LPDDR4 |
| Internal Storage | 128GB |
| Display Size | 12.1 Inches |
| Display Type | G+G Full-Fit Multi-Touch Capacitive IPS Screen |
| Resolution | 1024x768 |
| GPU | Qualcomm Adreno 610 |
| Audio Amplifier IC | 7850 (4-Channel, up to 50W output) |
| Audio Features | 16-Segment EQ, Subwoofer/Treble/Midrange/Bass Crossover Adjustment |
| Connectivity | Wireless Carplay, Wired Android Auto, Bluetooth 5.0, 4G LTE (SIM slot), Wi-Fi, USB |
| GPS | Built-in GPS Navigation (North America map type) |
| Vehicle Compatibility | Dodge RAM 1500, 2500, 3500 (2019-2021) |
| Special Features | Voice Control, Split Screen, Supports Alpine amplifiers, Seat heating/ventilation support |
| Included Components | GPS navigation unit, power cable, audio cable, RCA cable, GPS antenna, microphone, USB cable, Wi-Fi antenna, 4G antenna, camera, Canbus decoder |
8. Warranty and Support
8.1 Warranty Information
The ZWNAV Qualcomm Car Radio comes with a one-year manufacturer's warranty. This warranty covers defects in materials and workmanship under normal use.
8.2 Customer Support
For any questions, technical assistance, or warranty claims, please contact ZWNAV customer service. Lifetime after-sales service is provided.
- Via Amazon: Use the messaging system through your Amazon order details.
- Via Email: ZWNNUSGPS@outlook.com
