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Audi A4 S4 RS4 B8 Apple CarPlay | 10.25" Android Screen Upgrade for 6.5"/7" MMI 3G & MMI 3G+, Wireless Android Auto

4G Wi-Fi & Android Apps Streaming,GPS Navigation,Full-Screen Mirroring,Split-Screen Function,Backup Camera import,Bluetooth Music--Hualingan
  • HL-8870-1

  • Hualingan

  • Audi A4, Audi S4, Audi RS4

  • Audi B8 8K

  • 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016

  • Audi MMI3G / MMI3G+ with 6.5" / 7"

  • Android System

  • 64GB,126GB,256GB

  • 10.25 inch Touch Srceen

  • Keep the original car steering wheel buttons and touch controls

  • Hualingan Android Screen

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Upgrade the factory infotainment experience of your Audi A4, S4 or RS4 B8 with a 10.25" Android touchscreen while keeping the original Audi MMI head unit and factory vehicle functions.

Designed for Audi B8 models equipped with 6.5" or 7" MMI 3G / MMI 3G+ displays, this screen upgrade adds modern smartphone connectivity and Android multimedia without replacing the OEM head unit. Wireless Apple CarPlay and Wireless Android Auto provide convenient access to calls, messages, music, navigation and other compatible smartphone functions.

The built-in Android system supports 4G Wi-Fi, Android apps streaming and GPS navigation. Full-screen phone mirroring and split-screen operation allow multiple functions to be used on the larger display. Bluetooth Music and backup camera input are also supported, providing a more connected and practical in-car experience.

The 10.25" touchscreen integrates with the original Audi MMI system and supports the factory control interface, allowing users to switch between the original Audi system and the upgraded Android interface while retaining supported OEM functions.

This solution is suitable for aftermarket distributors, installers and dealers looking to provide a factory-style touchscreen upgrade for Audi A4/S4/RS4 B8 vehicles.

Vehicle Platform Model Years :

Audi A4 B8 / 8K  2008–2016  MMI 3G Basic / High / Plus 6.5" / 7"

Audi S4 B8 / 8K  2008–2016 MMI 3G Basic / High / Plus 6.5" / 7"

Audi RS4 B8 / 8K  2012–201 6MMI 3G / MMI 3G+ 6.5" / 7"

OEM System Compatibility :

MMI 3G Low / Basic (BNav) — 6.5"

MMI 3G High (HNav) — 7"

MMI 3G Plus (HN+ / HN+R) — 7"For MMI identification, the screen size alone should not be the only check. The MMI software/version information and original system configuration should be confirmed before ordering. MMI 3G Basic is commonly associated with the 6.5" display, while MMI 3G High and 3G Plus use 7" displays.

Original audio connection: AUX or AMI, AMI-to-AUX adapter is required


Standard Package :

1 × 10.25" Android Touchscreen

1 × Audi-specific installation harness

1 × MMI 3G / MMI 3G+ interface cable

1 × LVDS video cable

1 × GPS Antenna

1 × USB Extension Cable

1 × External Microphone

1 × Installation / Power Cable Set

1 × Mounting Accessories

1 × User ManualOptional Accessories :

AHD Backup Camera

DVR Dash Camera

DAB+ Digital Radio Receiver

TPMS Tire Pressure Monitoring System

AMI-to-AUX Adapter, where required

Additional USB AccessoriesInstallation Note :

The upgrade is designed to retain the original Audi MMI head unit and replace the factory display. For B2B orders, please confirm the vehicle model year, original screen size, MMI version and AUX/AMI configuration before shipment. An AMI-to-AUX adapter may be required on vehicles using AMI for audio output.


Audi A4 B8 6.5"/7" MMI 3G & MMI 3G+ — OEM vs Upgrade:

Factory Audi SystemAftermarket Upgrade
OEM 6.5" / 7" display10.25" Android Touchscreen
Original MMI head unitOEM Head Unit Retained
Factory MMI interfaceAndroid + Original MMI Interface
Factory radio/audio systemOriginal Audio System Retained
Factory MMI controlsOEM Controller Support
No Wireless Apple CarPlayWireless Apple CarPlay
No Wireless Android AutoWireless Android Auto
Limited smartphone integrationFull-Screen Mirroring
Factory navigationGPS Navigation + Android Apps
Standard display10.25" Larger Touchscreen
4G Wi-Fi & Android Apps Streaming
Split-Screen Function
Bluetooth Music
Backup Camera Input


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 B8 a factory-style look without compromising the upgraded functionality.

(2) :Full‑Screen Phone Screen Mirroring | Cast iPhone & Android Display to 10.25" 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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