After sept update the note 9 screen becomes yellowish and day by day it is getting even worse and i also tried all possible ways through online help from samsung but they said go to service center , but in service center they said me its hardware iss...

I tried all possible things to make pubg mobile smooth on note 9 i cleared  cache of pubg mobile uninstalled useless apps still it is not working im disappointed with samsung  does anyone have any idea how to get good frame rates on pubg mobile

Will note 9 get future android updates