I'm having this same issue on a carplay2air purchased in January 2020, result of the update. Since we can't downgrade anymore because of the repo, basically we now have a bricked device because @CarlinKit decided to block the repo....I just tried to upgrade my 2.0 to the newest firmware OTA. At the end there was an error "Update failed". Now I have a screen "Hardware Error: Wifi". Unfortunately the device recognizes no plugged in USD Drives. I tried different ones, but even before the upgrade there was no possibility to upgrade via USB.
Can someone help me with that?
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