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I had the same problem. The next day I did the upgrade to pro again and the firmware update and everything now works without error. Thinkdiag 2 requires diagzone to compile the necessary files, so you have to wait. Do a check later or tomorrow and everything should work without a problem. I use android 13, on android 9 I couldn't do a firmware update, but I didn't even get a message that I should wait at least 15 minutes, while on android 13 I got a message and I managed to do an update.