Microphone doesn’t work

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iPhone 7

2016年9月16日に発売。モデル番号は1660, 1778で GSM かCDMA があり。/ 32、128、 256 GB / 色はローズゴールド、ゴールド、シルバー、ブラック、ジェットブラック

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Brayden S @fegelein3290

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投稿日: 2019年12月3日

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Microphone doesn’t work

My iPhone 7 doesn’t have a working microphone, no sound during video. Alexa in Amazon Alexa app turns on for split sec before it’s gone. when I try to use Siri it activates but it doesn’t hear anything, nor will the voice recorder start.

But when I connect my Bluetooth earbuds ( cheap onn earbuds with mic I think) Siri activated and it can hear me and voice recorder works, but when I record video there’s a greyed out slashed speaker symbol at the bottom. Alexa starts but only turns on for split sec.

also when I try to use lightning port to aux or the apple port earbuds , there’s no sound nor do volume buttons work

pls help

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A guy at a repair place said it is a software issue, but I’m not sure. I’d like to know first because I really don’t want to have to reset my phone. But if I have to, could I back it up and then restore it from the backup. Could that work?

Brayden S さんによる2019年12月3日

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Ben @benjamen50

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投稿日: 2019年12月3日

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When you do calls is the speaker icon greyed out and can't be switched on? Does the phone take like 5 minutes to boot up all the time?

If yes to both it is an audio IC chip fault on the logic board. There are a few pads under the chip that get loose that need to be fixed which connect it to the logic board.

A local reputable phone repair shop that does microsoldering can get this fixed for you.

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Yes, the speaker is sometimes greyed out, the phone used to take 5 min to boot up( it’s the boot loop virus) a restore fixed it

Brayden S さんによる2019年12月3日

Yeah that is the solder balls under audio IC getting intermittently loose.

Ben さんによる2019年12月3日

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A guy at a repair place said it is a software issue, but I’m not sure. I’d like to know first because I really don’t want to have to reset my phone. But if I have to, could I back it up and then restore it from the backup. Could that work? — Brayden S
Yes, the speaker is sometimes greyed out, the phone used to take 5 min to boot up( it’s the boot loop virus) a restore fixed it — Brayden S
Yeah that is the solder balls under audio IC getting intermittently loose. — Ben

iPhone 7

Microphone doesn’t work

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