Why won't my iphone 4 screen turn on?

My iPhone 4 screen just refuses to turn on. It went dead, so. Tried to charge it (it has been three hours now since I started charging it). When I charge it, an apple logo comes on, but nothing else. When I take it out of the charger, it goes black. I have pressed down the home button, the sleep button and even held both down at the same time, but nothing. Very very frustrating, can someone please help?

I have had the same thing happen to me. I could be some sort of water damage. It is most likely you overcharged it and fried the battery. I would suggest you take it into the shop and replace the battery.

This used to happen to me. When I went to the apple store, I would get stupid answers like,
"Your phone is too old, our systems have stopped creating things to help it blah blah blah"
"Sometimes the phone gets over used. Wait a day"
Anyways, I would try your luck the apple store. You might have competent "geniuses" where you live. Did you buy phone insurance by any chance from your carrier?
If somehow your phone is less than a yet old, apple will replace it for free

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