MMI 3G High Emergency Update for Japan imported A5

Hi Everyone, sorry I have to use English as I am from New Zealand.

I have a 3G MMI High Audi A5 which imported from Japan. I read some article about convert GPS. Then I download original 0257 firmware, I saw someone can use emergency update to convert MMI from Japan to EU (New Zealand use same firmware).


Could you tell me how to modify the firmware update for Emergency? Told me I Someone should modify some checksum and files, many many thanks.

I took a photo from other car was processing emergency update.

Best regards from New Zealand


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