@rachin99
We would like to inform you that we no longer provide previous firmware versions or downgraded software packages on ASUS official website. This is to ensure that the security updates on your phone remain up-to-date with the latest firmware versions. We appreciate your understanding and patience. If you have any question or need assistance, please feel free to visit our service center or call the service hot line, we will do our best to provide help for your questions.
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:
https://www.asus.com/support/service-center-location
Also you can contact the local service center for help.
The following is the contact information:
https://www.asus.com/support/CallUs#
Sorry for any inconvenience it may be caused.
