How to fix iphone 5 that keeps restarting every 2 minutes?

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SimpleWay

If it is under warranty, you may send it back to the original iPhone service center and ask for a replacement, or at least a repair.

Guest

Try a restore if need be.

Why is my iphone5 battery life going down every ten minutes? I had shut off everything and it's going down even faster? I tried resetting, closing all apps, and it still doesn't work? I disabled all of the apps and unnecessary apps. I don't know what is wrong.
Online Games on iPhone keeps refreshing every 5 minutes? Whenever I try to play an online game on my iPhone 4 such as Clash of Clans, I can usually play about 5 minutes in before it says I disconnected with the server and it refreshes the game. It is pretty annoying when i come back and it did not save whatever i have done the last time. Any advice?
My iphone keeps restarting itself alone has full battery? My i phone (i think 3 generation has camera in front) keeps on turning white and restarts itself has battery i'm not doing anything.plus when it restarts it just show my slide bar but the screen of my iphone turns dark then bright then dark then normal as i had set it. I did not jail break it.
My iPhone 6 keeps restarting. How can I fix it? So today I was on my iPhone and I put it in my pocket after checking my email. I take it out 30 minutes later and my phone kept restarting over and over, and I fiddled with the power and home button and got it on. I do some web surfing on it, put it away and I take it out later. Lo and behold, it is restarting in a loop again. I was annoyed, and I put it away and now I can't even get into the phone. Is there something I can do besides a compete restore to fix it?