My iphone 4 is continuously restarting?

My iphone 4 just went off yesterday and started continuously showing the apple logo for about 5 seconds at a time then then would go off and repeat. It stopped after doing it about 10 times then this morning i plugged it into my iHome and it came on but said it had no service so i took it off to plug it into my computer and as soon as it was disconnected from my iHome it went off and when I plugged it into my computer it started resetting again and won't appear in itunes.

Take your phone to the apple store they can help you and give you a new one

I had this happen to me after i reset it. You will have to reset it completely, &i wouldn't take it to the apple store. But hold the home button and the top right button down at the same time. Don't let go until the apple logo appears or the itunes one does. It should turn back on or ask you to plug it in again.

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