If PUBG is auto shutting down: Can you go to Settings - Battery - Press on Detect battery-draining apps. Do you have Detect & stop on? If your phone is shutting down: Take PUBG out of Armoury Crate and see if that prevents the phone from restarting? ----- By the way, is this happening while you're playing? How long does it take for it to happen? Does your phone heat up to temperature range that you could let us know? Please state the firmware version you are using too.
Hi, Try below: Make sure your software version is latest. You can check the same here - Go to setting => About => Software information. Try Factory resetting your phone once, if nothing works: Kindly visit the nearest service center: Due to the lockdown, service centers may not be functional. Kindly call the service center before you visit one. https://www.asus.com/in/support/service-center/india