Question Is It Possible to downgrade from Android 12 to 11?

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Protosolid

New member
Aug 16, 2022
2
1
Hello,

The same question as the title, is it possible to downgrade android version 12 to 11? I feel that it runs too badly on android 12 compared to its previous version.

I already tried via odin, from G996BXXU5CVDD (current OS 12 installed on my cell phone) to G996BXXU3AUIE (the latest version of Android 11 available from my carrier); but when "starting" the process, it fails and on my cell phone it appears as "sw rev check fail (bootloader) device 0x5 binary 0x3".


plz Help

Thanks!
 

blackhawk

Senior Member
Jun 23, 2020
10,400
4,137
Samsung Galaxy Note 10+
Depends on the bootloader version.
The 5th digit of the rom must the same or higher than the bootloader's 5th significant number/letter, it can't be lower.

In this case that number is 2:
Screenshot_20211002-130441_Settings (1).jpg
 
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blackhawk

Senior Member
Jun 23, 2020
10,400
4,137
Samsung Galaxy Note 10+
ok, so I can´t go back D:!!!!!!!
Ouch.
If it was a OTA update you can as long as the bootloader wasn't upgraded too.
If it came loaded with 12 the bootloader probably is also upgraded.

This is one thing I hate about stock Samsung's.
My one N10+ came loaded with 10 and the other is still running on 9. I prefer Pie, it's more 3rd party app friendly and easier to troubleshoot.
So yeah, I feel your pain😖
 
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