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도움말

원문 게시자: iRepairtinker1 ,

텍스트:

To the right of the speaker socket there is a small pinhole which contains a noise cancellation sensor and this is most likely blocked so try blowing into it or using compressed air give it a blast and get the dust out.

There are two speakers one at the top and one at the bottom of the iPhone and the sensor is not detecting that there is incoming sound on the top speaker, in effect it has turned the top speaker  off and only unblocking the hole will turn it back on again.

현황:

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