Not only a heated phone is uncomfortable to use but other threats like explosion are also there.
And how it can be prevented.
1.Bad Battery
It is always recommended to change your battery after a specific time period.
But most users like to keep using their phone with the old battery until it is fully drained.
An old battery provides slightly less power than needed, this difference is so little that it goes unnoticed.
The processor of your phone tries to compensate this which results in increased load.
2.Damage triggered by Water
Usually, all of us listen the songs while taking shower.
Overheating and power issues problem occurs mostly with water exposure.
3.Improper Ventilation
This is also a factor.
Like any other unit, your smartphone also needs proper space to operate.
Overheating is one of the consequences of unavailability of adequate ventilation.
Intense Use and Multitasking
Multiple processes running in background will do more harm than benefit.
Leaving unnecessary processes running will not only make your smartphone lag but also heat it up.
It is wise to use some RAM machine management apps likeCCleaner.
Continuous Use
Give your Android a break.
For this go to parameters» Scheduled Power On & Off and set the timings.
you’re able to also trythis hackto make your Android smartphone faster.
source: www.techworm.net