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Fourth generation iPhone. Repair is straightforward, but the front glass and LCD must be replaced as a unit. GSM / 8, 16, or 32 GB capacity / Model A1332 / Black and White. This page aims to help users troubleshoot, fix, and seek help for the iPhone 4.

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iPhone 4 won't power on, already replaced: dock connector, battery.

No spill damage.

I had trouble a few days ago, it didn't turn on after depleted battery, and wouldn't charge. I replaced the battery and it turned on and it was charging normally. It was an old battery that didn't last more than half a day, so it died overnight as well, wouldn't charge next morning (same story twice basically). I bought another battery, didn't work, I replaced the dock connector, didn't work as well.

I'm running out of ideas. I have a decently working spare logic board (water damaged, has occasional reception issues) but I'd really like to fix it without replacing the main board.

Does anybody have any ideas what else to try?

Also, it doesn't show up in iTunes, DFU mode doesn't work, so basically it doesn't work at all.

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It's possible that the solder on battery connector on the logic board has lifed slightly causing no power

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Just tried wiggling it in all directions, no dice. I'll replace the logic board now, too bad I don't have any decent backups

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Ploki will be eternally grateful.
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