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How to fix an iPhone 7 Plus microphone that stopped working after iOS 11.3 update
How to fix an iPhone 7 Plus microphone that stopped working after iOS 11.3 update
There are occasions when an issue is localized to a certain application, such as when the microphone won't function on one app but not on others. Try restarting your iPhone to rule out the potential of small app faults causing the microphone system to cease operating. If the initial restart does not work, try again.