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Repair information and guides for the fifth generation of iPhone. Model: A1387

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iPhone 4s Phone wont charge

When I plug in my IPhone 4s, it wont charge. It works on my IPod!

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after i turn my iphone off then it starts charging

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sltayo, since you already checked the cable and the charger out, we can skip that. Check your dock connector, make sure that there are not broken, bend or corroded pin. If the dock connector is okay, you will have to open up your phone. Take a close look at the battery connector. Make sure that it is still properly attached. If that is okay, you will have issues with the components on your logic board. It could be the power management IC as well as other components on the board. If you want to check it out you want to start by checking 3 inductors. For that, of course, you need a multimeter, or at least an ohm meter, to check for continuity. I hate to refer to those as fuses, but they most certainly control part of the charging circuit. First one is reference designator L3, it is a FERR-120-OHM-1.5A inductor. L4, right below it, has the identical value. Next would be the charger inductor L28 2.2UH-1.8A-155MOHM. All of these are pretty much available at mouser. com or digikey.com.

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Hey sltayo, try to plug it in your computer and see if it is recognized by iTunes. If it is recognized, this means you have a dead battery. Be sure to follow this guide to help you replace the battery.

-Let me know how it goes.

-Please accept this as the answer if it answers your question.

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