@Tantan
I apologize for the inconvenience you're facing.
Based on your description, it is recommended that you get in touch with the service center at your location to arrange for the repair of your phone.
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.
