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Fourth generation iPhone. Repair is straightforward, but the front glass and LCD must be replaced as a unit. GSM / 8, 16, or 32 GB capacity / Model A1332 / Black and White. This page aims to help users troubleshoot, fix, and seek help for the iPhone 4.

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My microphone doesn't work after screen replacement.

I replaced my screen on my GSM/AT&T iPhone 4. All other phone features work great, except for when I'm in a call, and the phones speakerphone feature is active, the caller cannot hear me. I've cleaned the noise canceling port next to the headphone jack, and I've ensured all connectors are tight. I can record my voice in a voice memo, and make calls just fine without using the speakerphone. I could use any assistance, I cannot figure this one out.

Thanks a lot everyone.

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hi there seems like you have damaged it in some way voice memos use the upper mic..

install a new dock connector as the mic is attached to it

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I have installed a new dock connector. It is malfunctioning in the same exact way. I ordered a new proximity sensor ribbon as this has the noise cancelling port on it and I had heard that this can cause similar problems. Please let me know if anyone has any other ideas.

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You have a problem with the audio ic look on YouTube an type in leon Stacey audio ic

He was a fix for this

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