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iPhone4S是第五代iPhone。网络制式为GSM/CDMA ,存储容量有8GB、16GB、32GB、64GB可选,机身颜色有黑色、白色可选。维修iPhone4S是容易的,需要耐心,用到的工具有螺丝刀、撬棒等。

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Phone won't charge but reacts to USB

Hi everyone!

I bought a bunch of old phones from eBay and I’m having trouble troubleshooting this one.

The Problem: The Phone won’t neither charge nor be recognized by iTunes. Windows detects it when plugged in, but states “USB device not recognized“. The phone anyways turns on, when being plugged into a charger or computer. It pulls 0.04 Ampere from the charger.

Strange thing: The seller charged the phone 100% before shipping it and it still is at around 90%. Phone wasn’t opened before as far as is can tell.

What would you guys check next? I’ve got tools, multimeter, etc. so I’d like to test a bit, before I just order a new Dock connector.

Thanks in advance, cheers,

Sebastian

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Just noticed: When turned off, it pulls 0.2A from the charger.

完成的

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I think dock connector faulty try clean it first and check.

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