How to rollback to Android 11 OnePlus 7 Pro

firmware
https://www.rtvhd.in/2022/07/rollback-guide-for-downgraderollback.html

local update app
https://techibee.in/thanks-for-visiting?link=https://oxygenos.oneplus.net/OPLocalUpdate_For_Android12.apk
OnePlus 7 Pro downgrade to Android 11
OnePlus 7 Pro downgrade
how to downgrade OnePlus 7 Pro Android 11

Видео How to rollback to Android 11 OnePlus 7 Pro канала Android Unlock & Hardware