Audi MIB2 Firmware Update | MHI2_US_AUG22_K3347 | MU1439 Official Software

The Ultimate Stability Update for North American Audi A4, A5 & Q5

Upgrade your Audi’s infotainment system to the final and most stable official release: MHI2_US_AUG22_K3347 (MU Version: 1439). This firmware is specifically engineered for the AUG22 branch of the MIB2 (MHI2) platform found in North American models. This update is critical for resolving persistent software glitches, optimizing smartphone integration, and ensuring the smoothest possible performance of your MMI system.

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🔍 How to check your firmware version?

Before purchasing, it is crucial to verify that this update is compatible with your car’s hardware and region.

1. Use the MMI control wheel to navigate to Settings.
2. Select System Maintenance.
3. Tap on Version Information.
4. How to verify? Look at the first line of text. If your current version starts with MHI2_US_AUG22_, this is the correct update for your car.

🔗 [Full Compatibility Guide]: click here.

Changelog: What’s New in K3347 (MU1439)?

The K3347 firmware provides the final set of refinements for the AUG22 platform:

• Smartphone Interface Optimization: Fixes common “black screen” issues and connection drops with Apple CarPlay and Android Auto. Please note, this update will not enable Apple CarPlay / Android Auto, if you want to enable this service, you will need this script (click here).
• Bluetooth 5.0 Stability: Improved pairing speed and metadata synchronization for the latest iOS and Android flagship devices.
• System Fluidity: Reduced lag when switching between menus and faster response from the MMI touch controller.
• Navigation Reliability: Fixes occasional GPS positioning bugs and improves map rendering speed.
• Audio Bug Fixes: Resolves rare sound cutting or “popping” issues in the Bang & Olufsen 3D sound system.
• Surround View Camera: Improved stability for the 360-degree camera feed initialization.

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Vehicle Compatibility (MIB2 US AUG22 Branch)

This firmware is designed specifically for North American (US/Canada/Mexico) models within the AUG22 software family.

Supported Models:

• Audi A4 / S4 / RS4 (B9) (2017 – 2019)
• Audi A5 / S5 / RS5 (F5) (2018 – 2019)
• Audi Q5 / SQ5 (FY) (2018 – 2020)

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Choose Your Delivery Method

🚀 Option 1: Instant Digital Download

• Immediate Access: Receive your secure download link via email immediately after checkout.
• Verified Data: All files are CRC-checked to ensure 100% security and integrity for your Audi.
• Fastest Solution: Ideal for users with their own SD card (Class 10, 16GB+ recommended).

📦 Option 2: Pre-Loaded SD Card (Worldwide Shipping)

• Plug & Play: We ship a professional-grade, high-speed SD card pre-loaded with the official K3347 US firmware.
• Zero Technical Risk: No need to worry about slow downloads or formatting errors—simply insert and follow our guide.
• Tracked Delivery: Secure international shipping with tracking provided to the US and Canada.

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🛠 Installation & Technical Support

We provide the resources you need for a successful and safe update:

• Online Installation Manual: Access our detailed, step-by-step online guide on how to perform the update via the Red Engineering Menu (REM).
• Official Software: We provide only genuine, untouched Audi software for 100% vehicle safety.
• Expert Assistance: Our technical team is available via email to support you during the installation.

🔗 [Official Online Installation Guide & Video]: click here.

Why Choose MMI Updates?

• US Market Specialists: We ensure you get the correct North American firmware to avoid region lock errors.
• Safety Verified: All firmware is tested on real hardware to ensure a flawless update process.
• Global Trust: Trusted by Audi owners worldwide for professional and official software solutions.