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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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Cellular audio not working - Facetime audio, voice memo etc. working

If I make a cellular call - I can NOT hear or the other person can NOT hear

If I make a cellular call - Loudspeaker - I can NOT hear or the other person can NOT hear

If I make a facetime call - I CAN hear and the other person CAN hear me

In video, voice memos etc. - Any audio records and plays back without a problem

Update (01/04/2016)

This is a issue with the soldering of the Sound Chip. It can be resoldered or '''cheaply fixed:

'''

'''https://www.youtube.com/watch?v=prSZ9yJn...

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This is a issue with the soldering of the Sound Chip. It can be resoldered or cheaply fixed:

https://www.youtube.com/watch?v=prSZ9yJn...

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Have you tried doing a network setting reset?

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1 Comment:

That does not help. Apparently its a common issue.

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