s10plus brightness issue while playing pubg

[VAMPIREx9]

While playing pubg  the brightness gose automatically low 

Any idea how to resolve that 

(Afrer 1 or 3 minutes brightness noraml )

[ѵօϲɑӀ4ӀօϲɑӀ]

Turn off adaptive brightness while playing game.

[VAMPIREx9]

its always off

[VAMPIREx9]

😇

[Aashish]

Lock brightness from Game Tools.
They appear after pulling navigation bar.

[rap1021 · Accepted solution]

Its because over cpu overheating.
When cpu overheats and reaches set temperature the screen automatically dims.
After few mins when the cpu cools down it goes back to normal brightness...

[VAMPIREx9]

but its get very low