Headunit not starting anymore

[Super_Salty]

Hello,

from one day onto the other the headunit didn't boot anymore. First there appeared a white text about the headunit being wiped. After that the HU performed a RAM test and then tried to copy mapdata from a SD card.

After a restart the headunit loops the following error:

"E: unknown volume for path [/mnt/external_sd]"

   

I have tried to somehow flash the original firmware again to get back into Android but I had no luck doing that.

I hope you can help me with that issue.

Sincerely,

SuperSalty

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