what u told us for heating issue, i already did it .I don't have any game,I optimized all apps for backgraund data and battery uses, except samsung preinstalled app.I keep brightness very low,U used this model only for 20-30 min with Youtube or face...
samsung f62 is ur faluire piece. Because f62 heating and battery draining too fast.I already using this model, but u can't toch it at ear after using 15-30 min of internet using with social medial app.