To stay on Android 11 :
Sync photos to Google Photos and use the OnePlus Clone Phone app for apps. Battery: Ensure your device has at least 50% charge . downgrade oneplus 9 to android 11 exclusive
: Ensure your device is charged to at least 30% (though 60% is safer) to prevent a shutdown during flashing. To stay on Android 11 : Sync photos
The "exclusive" Android 11 experience is often cited as superior for several reasons: Aesthetic Identity: The "exclusive" Android 11 experience is often cited
While the has seen numerous updates through Android 12, 13, and 14, a growing segment of the community remains loyal to OxygenOS 11 . For many, Android 11 represents the last "true" OnePlus experience before the codebase merger with OPPO's ColorOS.
Worth it only if you absolutely hate Android 12/13’s ColorOS merger. For most, it’s a temporary band-aid with significant downsides.