iOS 11.3 breaks some iPhone 7 microphones

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iPhone-7
How’s your iPhone 7 mic after updating to iOS 11.3?
Photo: Ste Smith/Cult of Mac

Apple’s recent software updates have broken some iPhone 7 and iPhone 7 Plus microphones.

Users report that they cannot be heard during calls since updating to iOS 11.3 or later. Apple has advised Authortized Service Providers that they can initiate repairs if necessary — even on devices that are no longer covered by a warranty.