To Android 11 !full! | Downgrade Oneplus 9

Ensure your phone is charged to at least 30% (60% is recommended) to prevent power loss during the flash.

If you're missing the stability or features of earlier OxygenOS versions, you can downgrade your Go to product viewer dialog for this item.

Move the file to the of your phone's internal storage (outside all folders). 2. Install the "Local Update" Tool Downgrade Oneplus 9 To Android 11

OnePlus removed the local install option in newer updates. You must download and install the to restore this feature. Download the APK from the OnePlus Community forums.

Download the specific rollback package for your region (IN, NA, or Europe). Ensure your phone is charged to at least

If it downloads as a .zip , rename it to before installing. 3. Execute the Rollback [CLOSED] Roll back - OnePlus Community

All data, including photos, contacts, and messages, will be permanently deleted. Download the APK from the OnePlus Community forums

Before beginning, ensure you meet these requirements to avoid bricking your device: