(A50) How to downgrade from Android 11 UI3.0 to Android 9

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bockywocky

Senior Member
Feb 27, 2010
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I've been struggling for a while to go back from Android 11 (UI3.0) to Android 9 using Odin on my Samsung SM-A505FN, but it always hangs when flashing the older bootloader 9 or 10. It doesn't matter if I unlock the bootloader first. Is it possible to go back at all? it doesn't seem to be possible anymore, not even to version 10 !?

The only version that can be flashed without problems is version 11 again with Bootloader A505FNXXU7CUC2
I guess I cannot combine this bootloader with older versions AP CP CSC USERDATA

Please advice.

Regards Bocky Wocky
 
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bockywocky

Senior Member
Feb 27, 2010
163
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See pictures attached.

20210512_230127.jpg 20210512_230231.jpg 20210512_230334.jpg 20210512_230341.jpg
 

RichyE

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Oct 12, 2012
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bockywocky

Senior Member
Feb 27, 2010
163
31
Overal en nergens
When you upgraded to android 10 or higher then you can no longer downgrade to pie.
You should be able to go to android 10.

When you upgraded to android 10 or higher then you can no longer downgrade to pie.
You should be able to go to android 10 as far as I understand.
Right, that's a shame from Samsung. :(
I am still running UI3.1 Android 11, but using the Fresh rom, This works fine and I now have the control over updates.
 

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