Downgrade Oneplus 9 To Android 11

All data, including photos, contacts, and messages, will be permanently deleted.

: Download the specific OxygenOS 11 rollback ZIP for your region (IN, NA, or Europe) from the official OnePlus Community . Step 1: Install the Local Update Tool Downgrade Oneplus 9 To Android 11

Downgrading is not a standard OTA update. You are flashing software manually. Failing to prepare can result in a bricked device. All data, including photos, contacts, and messages, will

Remember: Avoid random file-hosting sites. If you follow this guide step-by-step, your OnePlus 9 will be back on Android 11 within 20 minutes. Downgrade Oneplus 9 To Android 11