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Released September 22, 2017. Model A1863, A1905. Available as GSM or CDMA / 64 or 256 GB / gold, silver, and space gray.

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iPhone 8 front microphone noise

The front microphone makes a noise for the first 2-3 seconds of the call/video and then starts working normally. I tried replacing the proximity cable but the problem persists. There are no other issues with the phone. Could this be audio IC?

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Are you certain it’s the front microphone on the proximity sensor? There’s a total of 4 mics in the 8. Two at the bottom attached to the charge port, one at the top attached to the proximity sensor, and one by the rear camera. You also may have received a defective proximity sensor assembly depending on where you sourced it from.

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Yes because it only occurs when I record a video with the front camera. I tested the mics by recording videos (front and rear), voice memos (I thing it uses the bottom mics) and calls. Could it be that the new proximity sensor assembly had the exact same issue as the original? It also seems like its camera is faulty because it’s blurry.

Besides the proximity sensor assembly could it be something else?


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