Be assured below given steps would help you out to solve the issue which you are facing:-
1) Turn off Wi-Fi, GPS, Bluetooth etc and other connectivity features when not using them. 2) Decrease the screen brightness. 3) Close background running apps. 4) Uninstall the unnecessary apps,Long duration of graphics intensive gaming sessions.
If issue still persists kindly send us the error log file within 15 minutes of issue occurrence. Steps: Samsung member > get help > Error reports > Select Symptom > describe problem > Send.
