Soft bricked after Realme 2.0 update (Android 11) - Realme XT Questions & Answers

I have downloaded the OTA Realme 2.0 update and installed it. The phone won't start after that. No bootloop but on the screen keeps flashing after booting successfully in the system. I tried wiping data in recovery but no help. I am willing to roll back but it won't let me take a backup which is why I landed here. I cannot access the file manager to paste the rollback update files or to take a backup.

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I have the exact same issue. This problem generally applies to all Realme devices upgraded to Realme UI 2.0. The root cause is the disabling of com.coloros.weather.service package, usually done during debloating through adb. Further analysis I have done is explained on my thread.
Quick fixes you have now:
If you have adb enabled and ticked "Always allow from this computer" on the prompt below when your phone is still working, you can connect your phone in the blinking state and issue the following command: adb shell cmd pm enable com.coloros.weather.service. Then, reboot your phone. It will work normally on Realme UI 2.0.
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[DATA LOSS] Download this ozip and put it on an SD card. A used SD card works fine as long as it isn't encrypted and has enough free space. Make sure the file name matches your device model. Enter realme UI Recovery (on Realme 7, you press VolumeDown + Power, which might differ for each device) and choose 'Install from Storage'. Enter your device password, select 'SD Card', and pick the ozip you have downloaded. The phone will wipe itself, and you end up with a working phone on Realme UI 1.0.
[DATA LOSS] If your phone is still on warranty period, go to any Realme Service Centre, and use the following statement; the service centre will either replace your phone free of charge or if they don't have any replacements in stock, put you on a waitlist and calls you back once the replacement device is available.
I am updating my device to Realme UI 2.0 when suddenly the device turns off and reboot itself. Now, this device won't allow me to unlock it.
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