Black crush isn't a new issue. It has been present on many phones by multiple manufacturers.
Popular phones like samsung s20 and OnePlus 8 series both had Black crush issue.
Maybe asus can learn and understand how those brands solved this issue.
If you are facing blackcrush issue, We are currently looking into it for Black crush issue.
It would be helpful if you can provide App screenshot where you are facing this. Share software version of your phone as well:
Go to setting => About => Software information.
Area one is much darker and grainy compare to area 2
Even in the search bar...... Left side is darker and grainy compared to right side.
Left side of search bar in instagram same issue. It feels like that side of the screen is having issues with some shade of grey or it looks like backlight leak on monitors