Downgrade Oneplus 9 To Android 11 Exclusive __top__ Jun 2026

OnePlus occasionally releases "rollback" packages that allow users to revert to previous versions via the stock recovery mode.

: Open the newly installed Local Update app, tap the gear icon, select your rollback package, and tap "Install Now". : Once finished, your phone will reboot into Android 11. Method 2: MSM Download Tool (Deep Rollback/Unbrick) downgrade oneplus 9 to android 11 exclusive