Android 11.
Skipping the restore process initially is recommended to ensure system stability. Downgrade Oneplus 9 To Android 11
Tap the gear icon (or menu icon) in the top right corner. Android 11
Locate a trusted source or the official OnePlus Community forums to find the rollback packages for the OnePlus 9. Download the version corresponding to your region: IN (India) EU (Europe) Locate a trusted source or the official OnePlus
"Enough," he muttered.
: Ensure all photos, messages, and files are backed up to a cloud service like Google Photos or an external drive. Battery Level : Keep your device charged above to avoid power failure during the flash. Remove Security
Once back on Android 11, the phone might try to update back to 12 or 13. Turn off "Auto-download" in Settings -> System Updates to prevent this.