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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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Phone is dead after connecting sync cable

I replaced the digitizer on an iphone 4 Sprint. turned it back on adn everything seemed to be testing out fine. then I connected the sync/charge cable and now it is completely dead! And I thought it was going so well. Any thoughts?

Quick update: I woke this morning and connected it again to the USB cable and I saw the apple logo. I walked away and when I came back it was dead and non-responsive again. So then I connected it to a wall charger and it came up showing absolutely no battery power. It indicates that it is charging, however the batter stays at 0%.

My thought is that it may be a battery connectivity issue but why would this problem only start when I first connected the charger cable? Inquiring minds want to know.

And now I see it is randomly rebooting itself as well.

Answered! View the answer I have this problem too

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coincidence? the battery was low, you plug it in and then it dies. Takes a bit of energy to light screens, send messages to PC so that drains the final x%. I'd reopen and check my battery connections and the soldering on that connection to the board. Booting over and over sounds battery problem to me but whether it's because it's not getting any charge from the dock power or because it has a broken connector is up to you to find...the connector for battery is a little delicate.

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Thanks for the help. The battery connector seemed fine but I reseated it anyway and it came back up with 75% battery power, which is what it was when I started this project.

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fantastic news, glad you're back in business.

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If this helped you solve your problem, please accept this answer so that it can be archived to help others. Thanks

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FixItPhil will be eternally grateful.
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