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Auto Radio Audi A4 S4 RS4 B6 B7 | 7" Android Touch Screen to Replace OEM Head Unit, Wireless CarPlay & Android Auto

4G Wi-Fi & Android Apps Streaming,GPS Navigation,Full-Screen Mirroring,Split-Screen Function,Backup Camera import,Bluetooth Music--Hualingan
  • HL-8745

  • Hualingan

  • Audi A4, Audi S4, Audi RS4

  • Audi B6, Audi B7

  • 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009

  • Audi Chorus,Concert,Symphony,Navigation/RNS-E 6.5" display

  • Android System

  • 64GB,126GB,256GB

  • 7.0 inch Touch Srceen

  • Keep the original car steering wheel buttons and touch controls

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Hualingan HL-8745 for Upgrade your Audi A4, S4 or RS4 B6/B7 with a 7-inch Android touchscreen head unit designed to replace the factory radio. The system adds modern smartphone connectivity and multimedia functions while maintaining a factory-style dashboard installation.

Built-in Wireless Apple CarPlay and Android Auto provide convenient access to smartphone navigation, calls, messages, music and other compatible apps. With 4G Wi-Fi connectivity and Android apps streaming, users can also access online entertainment, navigation and other applications directly through the touchscreen.

The unit supports GPS navigation, full-screen phone mirroring, split-screen operation, Bluetooth music and hands-free calling, as well as backup camera input for improved rear visibility. The 7-inch touchscreen provides a more modern interface while retaining the practical in-dash layout of the original Audi system.

This aftermarket Android radio is designed for selected Audi A4, S4 and RS4 B6/B7 models using the compatible factory radio configuration. Because Audi offered different radio, amplifier and dashboard configurations during these model years, please verify the original head unit, dashboard opening and audio system before ordering.

Key Upgrade Features

7-inch Android touchscreen head unit

Replaces the compatible OEM radio/head unit

Wireless Apple CarPlay

Wireless Android Auto

4G Wi-Fi and Android apps streaming

Built-in GPS navigation

Full-screen smartphone mirroring

Split-screen function

Bluetooth music and hands-free calling

Backup camera input

Touchscreen multimedia control

Designed for selected Audi A4/S4/RS4 B6/B7 configurations

Compatible Vehicles & Production Years

Audi's B6/B7 A4 family uses the 8E/8H platform. Audi's own model overview places the B6 A4/S4 around 2001–2005 and the B7 A4/S4/RS4 around 2005–2008, while exact market/model-year ranges can vary.

Model Platform Approx. Production Years Body Styles

Audi A4 B6 / 8E / 8H 2001–2005 Sedan, Avant, Cabriolet

Audi S4 B6 / 8E / 8H 2003–2005 Sedan, Avant, Cabriolet

Audi A4 B7 / 8E / 8H 2005–2008 Sedan, Avant, Cabriolet

Audi S4 B7 / 8E / 8H 2005/2006–2008 Sedan, Avant, Cabriolet

Audi RS4 B7 / 8E / 8H 2006–2008 Sedan, Avant, Cabriolet

Accessories / Package Includes

7" Android Touchscreen Head Unit × 1

Power Cable / Wiring Harness × 1

CAN Bus Decoder × 1

USB Extension Cable × 2

GPS Antenna × 1

External Microphone × 1

RCA Audio/Video Cable × 1

Backup Camera Input Cable × 1

AUX Cable × 1

Installation Cable / Adapter Harness × 1

Mounting Brackets & Screws × 1 Set

User Manual × 1

Note: Actual accessories may vary depending on the selected product version and vehicle configuration.

Hualingan HL-8745 Audi A4 S4 RS4 B6 B7 Compatible VehiclesHualingan HL-8745 Audi A4 S4 RS4 B6 B7 Wireless CarPlay VSHualingan HL-8745 Audi A4 S4 RS4 B6 B7 Full-Screen MirroringHualingan HL-8745 Audi A4 S4 RS4 B6 B7 Bluetooth Music CallsHualingan HL-8745 Audi A4 S4 RS4 B6 B7 Split-Screen FunctionHualingan HL-8745 Audi A4 S4 RS4 B6 B7 Android osHualingan HL-8745 Audi A4 S4 RS4 B6 B7 Android Apps StreamingHualingan HL-8745 Audi A4 S4 RS4 B6 B7 Backup Camera importHualingan HL-8745 Audi A4 S4 RS4 B6 B7 Wireless CarPlayHualingan HL-8745 Audi A4 S4 RS4 B6 B7 Wireless Android AutoHualingan HL-8745 Audi A4 S4 RS4 B6 B7 Wireless Apple CarPlayHualingan HL-8745 Audi A4 S4 RS4 B6 B7 Android AutoHualingan HL-8745 Audi A4 S4 RS4 B6 B7 Android system

OEM Radio vs. Android Upgrade

Factory SystemAftermarket Android Upgrade
Original Audi radio/head unit7-inch Android touchscreen
Limited smartphone integrationWireless Apple CarPlay & Android Auto
Factory multimedia functionsAndroid apps & online streaming
Factory navigation depending on equipmentGPS navigation
Limited screen mirroringFull-screen mirroring
Standard Bluetooth functionsBluetooth music & hands-free calling
No Android app platformAndroid apps streaming
Factory reverse-camera support depending on equipmentBackup camera input

Important Compatibility Note

Audi A4/S4/RS4 B6/B7 vehicles were equipped with different factory radio and audio configurations. Some vehicles use different radio sizes or factory-amplified/BOSE audio systems. Compatibility therefore depends not only on the vehicle year but also on the original head unit and dashboard configuration.

Please confirm the original radio, radio opening and factory sound system before purchase. If necessary, provide photos of the original dashboard and rear radio connectors to your supplier for compatibility confirmation.


1. Seamless OEM Integration

(1) Built with a 1:1 OEM-style design, matching the original radio's overall appearance and button height. The dedicated fit integrates cleanly with the factory dashboard, giving your Audi A4 S4 RS4 B6 B7 a factory-style look without compromising the upgraded functionality.

(2) :Full‑Screen Phone Screen Mirroring | Cast iPhone & Android Display to 7" Touch Screen

2, Android System:

(1) : Download and install apps directly on this Android head‑unit via Wi‑Fi. It supports popular applications including Waze, Google Maps, Spotify, YouTube Music, Amazon Music, Netflix, Disney+, and numerous other Android apps. No iPhone or Android smartphone connection is required.

Note: App availability depends on regional copyright and network conditions. Video‑streaming apps are for parking‑state use only for driving safety.


Hualingan: 22+ Years of Automotive Electronics Expertise (2004–2026)

Established in 2004, Hualingan has more than 22 years of experience in the automotive electronics industry. We specialize in the research, development, manufacturing and supply of aftermarket in-car entertainment and navigation solutions for global automotive markets.

Our product portfolio includes Android head units, Android screen upgrades, CarPlay retrofit kits, Android Auto solutions and other vehicle-specific infotainment upgrades. Designed for distributors, wholesalers, installers and automotive electronics retailers, our solutions help upgrade factory infotainment systems with modern connectivity and smart features while maintaining a high level of OEM integration.

From OEM radio replacement and Android screen upgrades to CarPlay and Android Auto retrofits, Hualingan provides complete aftermarket solutions for a wide range of vehicle applications.

Why Partner with Hualingan?

22+ Years of Manufacturing Experience

With more than two decades of experience in automotive electronics, Hualingan has developed extensive expertise in vehicle-specific infotainment systems, product development, manufacturing and aftermarket integration.

Vehicle-Specific Solutions

Our products are developed for specific vehicle models and factory infotainment platforms. This allows distributors and installers to offer targeted upgrade solutions rather than generic universal products.

OEM Integration

Our upgrade solutions are designed to work with existing vehicle systems where applicable, including steering wheel controls, factory audio systems, iDrive controls, OEM displays and other vehicle functions.

B2B-Focused Supply

We work with distributors, wholesalers, installers and automotive electronics retailers worldwide. Our goal is to provide reliable products, technical support and consistent service to help our partners grow their aftermarket business.

After-Sales Support for B2B Partners

Reliable technical and after-sales support is an important part of a successful automotive electronics business. Hualingan provides professional support throughout installation, configuration and post-sale service.

1. Technical Support

Installation Guidance

We provide product manuals, wiring information, installation instructions and technical documentation to help installers complete product installation efficiently.

Technical Assistance

Our technical support team can assist with installation questions, wiring, system configuration, software settings and initial product setup.

Troubleshooting Support

When technical issues occur, our team works with partners to identify the cause and provide practical solutions to minimize installation delays and customer downtime.

2. Warranty & RMA Support

Product Warranty

Hualingan products are covered by our standard limited warranty against manufacturing defects. Warranty terms may vary according to product and sales agreement.

RMA Service

We provide a structured Return Merchandise Authorization (RMA) process for defective products and warranty claims, helping partners handle after-sales cases efficiently.

Quality Control

Every product undergoes quality control procedures before shipment. Our quality management process is designed to maintain product reliability and reduce potential after-sales issues.

3. Product Updates & Technical Information

Firmware & Software Updates

Where applicable, we provide firmware and software updates to improve system performance, resolve known issues and maintain compatibility with supported devices and vehicle systems.

Updated Product Information

Partners can access product specifications, compatibility information, installation documentation and other technical materials to support sales and installation.

Marketing Support

We can provide product images, specifications, feature information and other marketing materials to help distributors and retailers present Hualingan products through their websites and sales channels.

4. Long-Term B2B Partnership

We aim to build long-term relationships with distributors, wholesalers, installers and automotive electronics retailers rather than simply supplying individual products.

Our team works closely with business partners to understand market requirements, product applications and installation challenges. For established partners and larger-volume customers, customized cooperation and support arrangements can be discussed according to business requirements.

Hualingan — Your Automotive Electronics Partner

With 22+ years of experience in automotive electronics, Hualingan combines product development, manufacturing capabilities and technical support to provide reliable aftermarket infotainment solutions for global B2B customers.

Whether you are a distributor looking for vehicle-specific Android solutions, an installer requiring reliable technical support, or a retailer expanding your CarPlay and Android Auto product range, Hualingan is ready to support your business.

Contact Our B2B Support Team

Email: Sandy@Hualingan.com

Phone: +86 755 83768287

Business Hours: 9:00 AM – 20:00 PM (China Time)


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