Q: iphone keeps restarting everytime i use

Hi there thatsrightyouscared,

I would recommend taking a look at the troubleshooting steps found in the article below.

iOS: Not responding or does not turn on

http://support.apple.com/kb/ts3281

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. via: iOS devices: Keeping device within acceptable operating temperatures

-Griff W.