Related search suggestions: (1) "OnePlus 9 rollback to Android 11 official package" — 0.83 (2) "How to unlock OnePlus 9 bootloader fastboot commands" — 0.77 (3) "OnePlus local upgrade install rollback zip name" — 0.65
: Returning to the "classic" OnePlus UI before the merger with ColorOS.
Go to Settings > Apps > App Management > Show System Apps > Search for "IMS" > Clear Data & Cache. Restart.
OnePlus does not host these files on its main site but releases them via community forums. For the OnePlus 9, the final Android 11 rollback build is usually or similar.
# Reboot to bootloader adb reboot bootloader
OxygenOS 12 and 13 often hide the "Local Upgrade" option. To get it back, you need to install a specific APK provided by OnePlus. Download the .
Related search suggestions: (1) "OnePlus 9 rollback to Android 11 official package" — 0.83 (2) "How to unlock OnePlus 9 bootloader fastboot commands" — 0.77 (3) "OnePlus local upgrade install rollback zip name" — 0.65
: Returning to the "classic" OnePlus UI before the merger with ColorOS. Downgrade Oneplus 9 To Android 11
Go to Settings > Apps > App Management > Show System Apps > Search for "IMS" > Clear Data & Cache. Restart. Related search suggestions: (1) "OnePlus 9 rollback to
OnePlus does not host these files on its main site but releases them via community forums. For the OnePlus 9, the final Android 11 rollback build is usually or similar. OnePlus does not host these files on its
# Reboot to bootloader adb reboot bootloader
OxygenOS 12 and 13 often hide the "Local Upgrade" option. To get it back, you need to install a specific APK provided by OnePlus. Download the .