iPhone 4 Mic Not Working Problem Repairing Solutions are available in the following article. Also you will find iPhone 4 Mic Solution information in the diagrams further in this post.
In iPhone 4 Mic Not Working problem can occur because of the faulty Microphone or it’s bad connection to the Cell Phone’s Motherboard. So before doing any Hardware repairing solution you should clean iPhone 4 Mic Solution Ways and Motherboard of the Mobile Phone. If that does not work then try to replace the Mic.
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Here Are iPhone 4 Mic Not Working Problem Solutions. Please study these diagrams very carefully before you start repairing.
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Note: Every repairing solution posted here is tested by at least one member of our team. Use the information available here at Your Own Risk. We are not responsible if any harm comes to your device during the repairing process.