Downgrade Android 12 One ui 4.0 to Android 11 One ui 3.1

[nykdpk]

Hello there Need to Downgrade my one UI 4.0 Android 12 to Android 11 one UI 3.1

Does downgrading TRIP my KNOX after downgrade and will I be able to use SamsungPay and Secure Folder after downgrade anyone please help...!

Am using S21 Ultra INDIA

[Anonymous]

Please share the process how did you do it. I want to downgrade to android 11 as well.