If you use an iPhone 7 or iPhone 7 Plus and have had difficulty being heard during calls, you aren’t alone. Although limited, Apple acknowledged that there is a microphone problem on some iPhone 7 handsets. Weirdly, the hardware defect seems to have been triggered by iOS 11.3.
As MacRumors reports, Apple distributed a document to Apple Authorized Service providers detailing the fault present in both iPhone 7$649.99 at T-Mobile and iPhone 7 Plus$769.99 at T-Mobile and how to deal with it. The problem will present itself to users as the speaker button being grayed-out on their iPhone. When making a call or having a FaceTime chat, the person you are talking to may not hear your voice.
Method to recover messages from iphone 7:
With the help of iPhone Data Recovery program, you have three solutions to restore your messages : “Recover from iOS Devices”, “Recover from iTunes Backup Files” and “Recover from iCloud Backup Files”. Here is a brief introduce to iPhone data recovery software.