My iphone won't turn on or charge?

I've only had this iphone for less than 5 months. I just got it. Its an iphone 4. I don't understand why it won't turn on. I called technical support but they said they couldnt help unless i go to an apple store.has anyone else had this problem? What did you do? I don't understand. I have an otterbox defender. I don't ever drop it… Help!

Call Apple's customer service number… They will answer all your questions.

Try holding the power button and the home button until you the apple logo appear.

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