...do a factory restore. If that doesn't work, stop by the genius bar. IME Apple does have a lenient replacement policy, as well as great OOWS (out of warranty service) replacements for relatively nominal fees vs the cost of a new device outright. I believe it's still $149 ballpark.
Phone was fully charged last night and working fine. I went to use it again and the phone does not respond. What is going on with it and how do I solve this problem?

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