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Repair information and guides for the iPhone 6S Plus that was released on September 25, 2015. Model A1687, A1634

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iPhone switches between dock microphones during calls

I got a iphone to repair, i replaced the whole dock connector. but now during calls it looks like the phone is switching between the 2 dock mics during a call. During the call all the high tones sometimes dissappear. and after 10 seconds the high tones are back (on the receiver end)

what could it be?

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3 Comments:

Somebody? Still stuck already tried 3 Dock

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It looks like there is something wrong with the motherboard or cellular connection (can it be the cable from the motherboard to the phone?) when using a dictaphone app the microphone works good only when calling it just cuts all the high tones out for 5 sec once in a while. i am pretty desperate right now...

Customer insists on getting a new phone but i hope te problem is solvable

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Yeah, sure, try replacing/ fixing that cable, also double-check its connection to the board itself

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1 Answer

I have had this issue with a customers phone, only it was an iPhone 4 - Have you tried installing a new Front camera sensor? That fixed my issue

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