For the uninitiated, a rollback package is essentially a "time machine" for your phone’s software. Oppo releases these specific firmware files to allow users to manually revert their device’s operating system from a newer, buggy version back to an older, stable build.
If you own an , you know it’s a battery beast that refuses to quit. However, with the recent Android 12 (ColorOS 12) update, many users have faced a dilemma: New features vs. Old stability. oppo a9 2020 rollback package exclusive
Because performing a rollback typically , it is essential to back up your device before proceeding. How to Use the Rollback Package For the uninitiated, a rollback package is essentially
A rollback is as a factory reset. It is a re-flashing of the system partition to an older version. Please read these warnings carefully: However, with the recent Android 12 (ColorOS 12)
Once completed, tap Wipe data to clear residual cache, then select Reboot . Your device will boot into the freshly installed older ColorOS version. Method 2: Using the OPPO System Upgrade Tool
Use the touch screen or volume keys to select English .