Downgrade Oneplus 9 To Android 11 Exclusive [2021] -

Install and open the Local Update APK you downloaded. Select the Firmware: Tap the gear icon (settings) in the top-right corner.

Move this file to the of your internal storage (outside all folders). Install the Local Update Tool: downgrade oneplus 9 to android 11 exclusive

In cases where the software fails entirely, the community relies on the MSM Download Tool Install and open the Local Update APK you downloaded

The path to downgrade your OnePlus 9 to Android 11 is not for the faint of heart, but using the MSM tool or the hidden local upgrade APK, you can restore the flagship killer experience. Keep this guide bookmarked, as OnePlus continues to purge old rollback files from the internet. downgrade oneplus 9 to android 11 exclusive