Before attempting any firmware modifications, ensure you have the following hardware and safeguards in place: Battery Support:
amplifier, you must physically disconnect it or use a tool like OBD11/VCDS
The screen should change to a red-themed menu showing "Software Update" and version info. 2. Software Installation (Standard Update) Prepare Media: Copy the firmware update files (including the metainfo2.txt file) directly to the root of your SD card. Do put them in a folder. Insert SD: Place the card into the slot and remove any other media (Sim cards, music SDs). Start Update: In the Red Menu, select mhi2-kr-au57x-s0035
to disable it before updating. Failing to do so can result in permanent loss of sound or specific "component protection" errors. Step-by-Step Update Guide 1. Accessing the Red Engineering Menu
The identifier MHI2_KR_AU57x_S0035 refers to a factory stock firmware version for the Audi MIB2 High (MMI Navigation Plus) system, specifically for Korean-region (KR) Audi models like the Do put them in a folder
Install the "More Incredible Bash" tool via the Red Menu to enable hidden settings. Conversion Command: Navigate to the Green Engineering Menu (GEM) > advanced_settings eu_conversion Convert unit to EU Intermediate Firmware: Flash an intermediate "All-In-One" (AIO) firmware such as MHI2_ER_AU57x_K3663 to finalize the regional change. Known Issues with S0035
This version is most frequently discussed in the context of "EU Conversion," where owners transition from the Korean firmware to European software to gain local maps and languages. Essential Preparation Failing to do so can result in permanent
Connect a high-quality battery maintainer. The update process can take 25–40 minutes; if the battery dies, you risk "bricking" (permanently disabling) the unit.