Downgrade Oneplus 9 To Android 11 May 2026

Download the official OnePlus 9 Android 11 Rollback Package for your region. If the file ends in .jar , rename it to end in .

If it downloads as a .zip , rename it to before installing. 3. Execute the Rollback [CLOSED] Roll back - OnePlus Community Downgrade Oneplus 9 To Android 11

Move the file to the of your phone's internal storage (outside all folders). 2. Install the "Local Update" Tool Download the official OnePlus 9 Android 11 Rollback

Ensure your phone is charged to at least 30% (60% is recommended) to prevent power loss during the flash. Downgrade Oneplus 9 To Android 11

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