Renate, how did you update your rooted Poke3?
Mine is rooted with Magisk and I have tempered a bit with the files in the system/media folder.
I have tried two ways to update to 3.2.1 - (1) by retrieving the OTA-file directly and (2) by placing the update.upx on the sdcard as described at the bottom of this page:
https://blog.tho.ms/hacks/2021/03/27...-note-air.html
Both times the update was being processed and decrypted, but the device always reboots back to 3.2.
Do I need to flash the original boot.img first?