me too, brought oppo service in Vietnam and they could not fix the imei lost, even when flash even lost the boot partition. They said they contacted for a ROM to fix this. Now my device can't boot and I have to leave it for them to research.
no sim card too
---------- Post added at 09:23 PM ---------- Previous post was at 09:22 PM ----------
no sim card too when rolling back 10. 2025 Global