Q: iPhone 5s Battery Drain and Overheating
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Feb 25, 2016 1:24 PMby joe_7399,Hello MarioT14,
Thanks for using the Apple Support Communities!
I understand that you have a new iPhone and are experiencing faster than expected battery drain and unexpected heat.
The heat can be normal according to the following article.
When using the device or charging the battery, it is normal for it to get warm. The exterior of the device functions as a cooling surface that transfers heat from inside the device to the cooler air outside.
Keeping iPhone, iPad, and iPod touch within acceptable operating temperatures - Apple Support
The next article is a great resource for optimizing your battery for longer battery life. It also goes into detail on how to see what applications or process are using your battery so that you have a better idea of what may be going on.
Batteries - Maximizing Performance - Apple
Cheers!
