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原帖由: ifixshop ,

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It has 3 mic's. The main at bottom, one next to earspeaker for siri and other apps. and the one on the back next to the camera for filming. some even work together to improve calls but i think your problem is not the mic's. maybe your phone thinks it's in a docking station or maybe even thinks there are headphones plugged in. did you try those?

because there is little chance for you to damadge the dock connector while doing a screen repair, maybe you knocked some small components of the logicboard near the touch and lcd connectors.

check with microscope, and keep us posted

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