Iphone 4 shut down, won't start back up! HELP!!!

I just sent out a text message, and then my iphone 4 totally shut down and now I can't turn it back on. I tried plugging it into my itunes, but nothing works! Help please!!!

sunny988 wrote:
I just sent out a text message, and then my iphone 4 totally shut down and now I can't turn it back on. I tried plugging it into my itunes, but nothing works! Help please!!!
Hi sunny988: Try this: Push and hold the Sleep/Power button and the Home button for approximately 15-20 seconds. This procedure will reset the phone.
Hope this helps
Stedman

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