Every part of that string tells a story about the car it lives in:
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 mhi2-kr-au57x-s0035
The "trouble" in the story usually starts when owners of these Korean-spec Audis realize they are missing modern essentials. Crucially, the firmware does not include Audi Smartphone Interface (Apple CarPlay or Android Auto) by default. The Quest: The Update Path Every part of that string tells a story
: Indicates the Korean region software train, including specific language support and navigation data. : If you're trying to find a replacement
: If you're trying to find a replacement part or need specifications, reaching out to customer support of the associated brand or a retailer that sells such items could provide the information you're looking for.