How to downgrade from Android 11 to Android 9 in Samsung M31

[Nitin8090]

Do anyone know How to downgrade from Android 11 to Android 9 in Samsung M31... After update facing hang and restarting problem... I believe this is not motherboard or power IC issue this is Software issue... M & A series is hanging in android 10 and 11... 

[RαʝҽʂԋKυɱαɾ21]

IT'S RISKFUL TO DOWNGRADE
AS SAMSUNG DON'T ALLOWS TO UNLOCK BOOT LOADER !

[PANKS1]

You can't officially

[AlphaTrion]

You can do downgrade via Odin3.

But samsung have enabled anti-downgrade, meaning your motherboard will be dead in case you try it.

[indiantrueindian]

Go to your nearby service center
If downgrading is possible they will do without any issues

[adminkiller]

I think 🤔 you do not downgrade to android 9 you should better perform in android 11

[Sidhabhi]

Officially not possible...

[ElectronKun]

U can only downgrade to android 10 cause it was released with A10.

[mdlp]

Android 9 Not possible

[mdlp]

But android 10 possible