Samsung m30s, While playing game with four finger like codm or pubg, sometimes suddenly multi-touch problem occurs ,during that only one finger touch only taking, when I place 2nd finger two touch point scatter around whole screen , problem appears ...

I updated my m30s to android 11, factory reseted after update, installed call of duty mobile, fame rate fluctuating/dropping from 55 to 40 fps even at temperature 38°C, before that (one ui 2) frame rate never go below 52 always in 55 to 59, game ru...