I left my iphone 5 uncharged and dead for about 24 hr I charged it and about 2hr later, I went to go get it thinking it was charged and it was still on the black screen with the little red battery so I charged it again, and its been 2 days and it still wont turn on, yes I have tried restarting it, but it still wont work , if anyone knows how to fix it please help!