Battery charges up to 5%, then it stops charging

Question

iPhone 4

iPhone di quarta generazione. La riparazione è semplice, ma il vetro anteriore e l'LCD andranno sostituiti insieme. GSM / 8, 16, or 32 GB di memoria / Modello A1332 / Nero e Bianco.

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Marc Alama @marcalama

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Postato: 3 ott 2013

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Battery charges up to 5%, then it stops charging

Hello!

I have an iphone 4 that got wet. I disassembled it to dry it and I left it for a week. By the way it was working, I thought battery got broken, so then I bought a new one.

Now when I connect the iphone when the battery is over, it charges. But when it gets to 5%, iOS automatically turns on as it should be, the battery stops charging (though the dock is connected). Then it runs out of battery, and then recharges again, iOS starts, and then battery runs out again, getting into an eternal loop.

What might be the problem? Thank you very much for your help!

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I tried a solution that partly works... the iPhone battery charges when it's off!!!! When it's on, I connect the dock and it's not charging, then I power the mobile off and, nothing appears in the screen, and few hours later, I turn it on again and battery it's 100%!!!!

Probably the problem is something related to what oldturkey wrote. Though it's annoying to have the iPhone off to charge it, at least I can use it.

Thank you very much for your help!

8 ott 2013 da Marc Alama

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I tried a solution that partly works... the iPhone battery charges when it's off!!!! When it's on, I connect the dock and it's not charging, then I power the mobile off and, nothing appears in the screen, and few hours later, I turn it on again and battery it's 100%!!!!

Probably the problem is something related to what oldturkey wrote. Though it's annoying to have the iPhone off to charge it, at least I can use it.

Thank you very much for your help! — Marc Alama

oldturkey03 @oldturkey03 Rep: 782,1k 1,1k 893 2,3k · Answer 1 · 2013-10-03T18:47:51-07:00

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oldturkey03 @oldturkey03

Rep: 782,1k

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Postato: 3 ott 2013

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Marc Alama, "iphone 4 that got wet." is going to become your biggest issue. It sounds like you replaced the battery, but did not clean your logic board of any corrosion etc. I strongly suggest you clean it by disassembling your phone and use isopropyl alcohol to clean it. Then check the charging IC, coil as well as the SMD components for any obvious damage.

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Thank you very much for your idea, I did it, trying to focus the cleaning on the parts you said, but the problem is still the same... I'll try to do a thorough cleaning again and let's see...

At least the phone turns on so I'll try to backup all my data...

thanks anyway!!

5 ott 2013 da Marc Alama

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