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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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Speaker problem, microphone don't works

Hy, i have a little problem. When i make a call in normal mode ( speaker off ) my microphone works but when i put it on (speaker on) my microhpone wont works. It's a little bit strange. When the speaker is on i can hear what that person said but he can hear me.

Thank you. Sorry for bad english.

Answer this question I have this problem too

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Try to clean the switch for external Speaker, Use a little alcohol isopropyl for to clean.

and try again. However you must test the speaker with a DVOM , normally the resistance for coil speaker will be around 8ohms.Replace if the value is Out under the specification

God bless you

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1 Comment:

@dr ing ernesto cuadra, where is the switch that needs to be cleaned?

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