Downgrade Oneplus 9 To Android 11 Exclusive __exclusive__
fastboot --disable-verity --disable-verification flash vbmeta vbmeta_mod.img fastboot erase metadata fastboot erase userdata
Download and install the official (often called the System Update Tool). Open the newly installed System Update app . Tap the Gear Icon in the top right corner. Select the rollback .zip file from your root directory.
Once the installation finishes, tap . The first boot into Android 11 can take up to 10 minutes. downgrade oneplus 9 to android 11 exclusive
Updating to the latest software version does not always guarantee a better user experience. If you are facing severe battery drain, app crashes, or dislike the unified ColorOS codebase on your OnePlus 9, rolling back to OxygenOS 11 (Android 11) is the best solution.
Navigate to Settings > Google > Backup and trigger a manual backup for contacts, calendar events, and app data. Select the rollback
Scroll down to find and toggle the switch to the OFF position.
Download the official setup client via the OnePlus Community Rollback Guide . Updating to the latest software version does not
Whether you’re missing the classic OxygenOS experience or troubleshooting bugs in newer versions, rolling back your
Wait for the progress bar to reach 100%. Step 4: Initial Device Setup
If the rollback file is in .jar format, rename it to end in .zip .
What is your exact (found in Settings > About Device)?
