How To Downgrade ZenFone 7 From Android 11 to 10

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ZenFone 7 / ZenFone 7 Pro (ZS670KS / ZS671KS) Software downgrade from Android 11 to target Image Version: WW-29.14.53.23 (Android 10) for WW SKU only. ※

Android 11 to Android 10
Download ZenFone 7 / ZenFone 7 Pro Firmware Android 11 to Android 10​


Before you start the downgrade, please make sure all pictures, important data finished the backup.

The downgrade process will erase all data to be a new system.

ASUS company would not not be responsible for the risk of data loss. Steps of Update:

1. Download the firmware and copy to internal storage.




2. Remove Google Account.

3. Pull down the quick setting list.

4. The system will pop up a message which detected a firmware update info.




5. Execute the downgrade firmware file. * If you skip step 5, and you don't know how to trigger the downgrade process again. Please reboot the system, and the downgrade info will pop up again.

*How to know the device model? Path: Settings->About-> Model number Example: ASUS PadFone2 **How to know the device software version? Path: Settings->About-> software information->Build number Example: CHT_PadFone2-user-10.4.17.15-UpdateLauncher *System upgrade may cause part of data missing, please backup your important data before system upgrading.



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