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原帖由: pollytintop ,

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looks more like the screw hole is damaged? might be the corner of the motherboard has been flexed and cracked the internal wiring from no7 to antenna reception or there is not good contact with the little gold pin on the top of the dock connector. this a 3G but the idea is similar.. http://www.mauron.net/iphonerepair/

I'd try Gido's advice about testing the blue coil first though.

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