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2014年9月19日に発売されました。この5.5インチサイズのスクリーンをもつiPhoneは、iPhone6の拡大サイズ版です。

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Earpiece Volume Low even after replacing it

iPhone 6 Plus 64gb

Purchased December 2014. Yes, it is old but I have babied this phone.

All of a sudden the volume through the earpiece speaker became quite low.

The loud speakers were fine, no issues with them at all.

The volume was so low that I had to use earphones to speak.

I took the phone to Apple and they asked for AUD 210 to replace the earpiece without the guarantee that it would work. The speaker grill is clean and this was confirmed by Apple too.

I didn't think the money was worth it so I decided to replace it myself.

I ordered a new earpiece from eBay.

Replaced it by referring to the instruction from iFixit website.

The problem is still there even with the replacement earpiece.

I don't know why this is happening. Is the cable serving the earpiece faulty?

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The issue fixed it self when I updated to iOS 12.

I do not how but it just fixed the issue.

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If you follow the troubleshooting chain of command (if you will), it all starts with a dirty speaker grill. If it’s clean, then you move up to the actual ear speaker. Having tried that, the next step is the FCAM/Sensor flex as there could be an electrical issue with the flex. While you’re at it, check the condition of the connector on the logic board as well.

If none of that solves the problem, then you are probably facing a logic board issue which would require a micro-soldering repair.

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Thank you for your response.

The issue fixed it self when I updated to iOS 12.

I do not how but it just fixed the issue.

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Abhishek さん、ありがとうございました!
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