ASUS ROG Phone - Auto Shutdown or Blackout Issue Fix

Month old Republic of Gamers Phone 2 suddenly shuts down. No vibration no power just black out for no reason. This tutorial will show you how I fix mine in 3mins.
Ganyan din ung phone nyo? I can't wait for ROG3 ipamimigay ko talaga to sa mga Subscribers ko. Di ko masyado nagustuhan apaka bigat nakakangalay tong android phone ng Asus.
Update April 2020: ROG 2 updates its software right after the Blackout / Dead phone 2 / Shutdown is fixed. Akin lang ba nag ganito? Please let me know if may idea kayo kung magiging sakit ng Asus Rog 2 to twing may update sila.
Here's the update fix:
1.Fixed the problem where you can use AirTriggers squeeze functions when opening some games in the landscape mode
2.Fixed the problem where ASUS ZenScreen MB16AMT external screen can not be touched
3.Fixed the issue where icon shape setting in developer options do not work
4.Fixed the problem where time info on the status bar disappeared when receiving a call and unlocking the device
5.Fixed the problem where startup time is occasionally too long
6.Fixed setup wizard not completing issue
7.Removed Twitch streaming function in Game Genie
Republic of Gamers How To: Caused black screen no power!