If you still wish to find it, here is the legitimate path vs. common community sources:
Your MMI 2G is stable but slow, you want modern phone compatibility, or you plan to add an AMI module. Audi Mmi 2g Firmware Update 5150 Download
A stable power source is vital. Either keep the engine running or connect a high-quality battery charger to prevent voltage drops, which can "brick" the MMI unit . 2. Identifying Your Current Version Turn on the ignition and wait for the MMI to initialize . If you still wish to find it, here is the legitimate path vs
Press SETUP + RETURN simultaneously on your MMI console to view the "Interface" version. you want modern phone compatibility
The process takes approximately 30–45 minutes . Do not touch any controls, open doors, or turn off the ignition during this time .