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ROG Phone 5s stuck on Android 12

Star I

For months, System Update has been saying "Your system is up-to-date" while my ROG Phone 5s is still on Android 12 (WW_31.0810.1226.154).  I am not using a custom firmware or doing anything unusual, as far as I know.

Based on another post, I tried booting to recovery mode to wipe my cache partition, but recovery mode has no such option.  It also sounds like Asus has stopped providing firmware files for download to update manually.

What are my options?


Please confirm if your phone's firmware is used across different regions.
If not, please refer to the following method to update the firmware.
Tap "Check Update" in "Settings" -> "System update" to check if the firmware is the latest version.
Note: During the update process, please charge your phone with the AC adaptor or make sure the phone has at least 15% battery power level.

However, if you are unable to update, it is advisable to visit a repair center for further verification.
The following is the contact information: 
Also you can contact the local service center for help.
The following is the contact information: 
Sorry for any inconvenience it may be caused.


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Thank you.