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.