I've had this thing for almost two years. Its on the current IOS update. Its also "locked" because my parents couldnt afford the bill after 3 months and now i just use it on wifi. This week, i noticed it wascharging backwards. I looked up a fix and did a hard reset, as per recommended. Still, it has happened once every day this week and i'm getting concerned. I have to reset the phone each time this happens and it goes back to charging normally but i'm still concerned. Its probably the phone reaching the end of its reign, right? Just give me a clear answer, please.
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