Apple’s Internal Document Confirms Microphone Issue with Selected iPhone 7 Units Post iOS 11.3 Update<img style="float: left; margin-right: 10px" src="
![](http://www.iphonehacks.com/wp-content/uploads/2016/09/ip7and7plus-194x129.jpg)
">
Apple is circulating an internal document to its authorized service providers acknowledging a microphone issue affecting certain iPhone 7 and iPhone 7 Plus units running iOS 11.3 or later. iPhone 7 owners facing the issue might not be heard during phone calls or FaceTime chats. They may also see a grayed out speaker button during a call.
Continue reading <span class="meta-nav">→</span>Source:
Apple’s Internal Document Confirms Microphone Issue with Selected iPhone 7 Units Post iOS 11.3 Update