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My iPhone4 won't charged and isn't recognized with my computer, why?
I have iphone 4 GSM. I currently replaced the screen of it. I think every process was perfect and the screen works so great but unexpectedly it is not only charged but also not recognized with usb port. So I replaced the dock connector. However it didn't work either. May there be a problem on the logic board? I really don't know why... Could you help me with this problem?
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It would depend on why you replaced the screen. If it was water damaged there is a good possibility the battery is bad and needs to be replaced. The dock connector has metal prongs sticking out of it that go underneath the motherboard/ logicboard. If only one is bent up or not connected the entire phone wont charge nor will the dock connector work. This is more likely as its the dock AND the black rubbery/ plastic piece that goes on top of it
Thank you for your comment. That phone has never been water damaged. So I change the whole dock connector with a brand new replacement. However it didn't work either. I really don't understand why. Even though I tried everything I can do such as cleaning the dock connector and logicboard with air duster and reassembling the phone step by step, this wasn't efficient at all. So frustrating ㅠ.ㅠ
