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Repair information and guides for the CDMA version of the fourth generation iPhone. Model: A1349 / 8, 16, or 32 GB storage capacity

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Phone charges but doesn't stay on

So i recently opened up my phone, according to the guide here, in order to try to put it back together to get the screen to work. (The screen was black but the phone and touch screen all worked as normal.)

Well it worked, the problem is in the process something else go screwed up and now the phone wont stay on unless charging on the wall. It won't connect to or charge on the computer. Is there anything in specific that i could've damage that would cause this? Is there a way to fix it?

Answered! View the answer I have this problem too

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Is there anyone with phone know-how who can help?

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The battery could be faulty. Or if the battery connector (black plastic socket) that has contacts soldered to the Logic Board, if a solder joint is damaged, could have this problem.

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ok i will check the solder joint because the battery was working perfectly before i went in and dissasembled the phone

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So it appears to be a problem with the pressure contact on the antenna. if i open up and push it again it"ll work fine for a bit, but then it will die fast after long charging or only work while charging. When it does stay charged it connects to the computer but otherwise it only charges on the wall.

when it only works connected to the wall it'll suddenly lose service and ultimately stop being able to connect to the network until i open it and push the pressure contact again.

How delicate is the pressure contact? Is there an easy solution to fix it or will it be necessary to replace it?

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This is a battery connector cold solder joint. You need to reflow the battery connector solder and you'll be fine.

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