Download the Android 12 downgrade zip for Zenfone 9 from above. Put the ZIP file in the root directory of the phone's internal storage. Reboot your phone and check for the firmware update notification pop-up on the status bar. Tap the System update file detected and follow the steps to downgrade the firmware.
Thread automatically closed due to inactivity. If the reported issue has not been resolved or you require further assistance from one of our moderators, please create a new thread and we will be with you shortly.