Reason for the heating problem could be that too many processes (Apps) are running at same time,Heavy gaming, Battery could be old,Heavy Streaming-playing heavy media for very long hours,outdated software,Using phone for a long period of time . For this you can even use Clean master for cleaning unwanted background processes. Suggesting some easy ways, you can go through once : 1. Try removing the unwanted Apps. 2. Avoid charging while using phones, specially when playing games or using data. 3. USE AN APP TO REDUCE BATTERY DRAIN I would suggest Greenify 4. CHANGE SETTINGS TO EXTEND BATTERY LIFE turn off the automatic brightness limit location services GPS (Settings >Privacy-> Location > Location method) 5.CHECK TO SEE WHICH APPS ARE DRAINING BATTERY Settings > Battery and you will see exactly what’s making battery drain very fast Please have look at www.galaxyforum.com for more details
