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After updating to iOS 6.0 my iPhone will not charge on the wall charger. My phone will charge in the car and on a stereo dock. My wall charger still works and charges my iPod touch fine. I have even tried my husband's wall charger and my phone still won't charge. When I plug it in the wall charger just starts blinking and my phone starts alternating charge/off/charge/off. I have restarted phone, held home and power key, even updated to the new iOS 6.01 and still nothing! Help!

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    When you say the wall charger starts blinking, what kind of wall charger is it? It sounds like a third-party wall charger. What happens when you use the Apple-brand wall charger that came with your iPhone?
    – beverson
    Commented Dec 16, 2012 at 14:53

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Check the dock connector on the bottom for dust, and clean it out very carefully.

The wall charger uses a different pin for the faster charge rate (12V I think), USB only carries 5V of power, and has a dedicated pin on the dock connector for 5V charging.

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  • The wall charger is still 5V, using the same (-) and (+) pins as regular USB. The only difference is that there is some resistor across the data line to tell the phone that it can use more current than a regular USB power source
    – Alexander
    Commented Dec 12, 2012 at 5:08

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