ROG PHONE 5 SUDDENLY TURNED OFF AND IS NOT STARTING EVER SINCE!! What Can I Do ?

[bP21]

After updating to the latest version 13,  the mobile is working but the display is not showing.

There is a lot of problem. Office calls and meetings are very problematic. ..

I need the solution for this...

[Falcon_ASUS]

@bP21 
We apologize for any inconvenience this may cause.
Please check the top right corner and kindly share the serial number and details requested in the PM inbox.
Thank you.