When Apple introduced the new iPhone 7 and 7 Plus, they talked about the button being powered by a taptic engine; a type of pressure-sensitive vibration feedback and not lIke the physical button found on previous models. 

Using the button at first might not to be the greatest of satisfactions but we got use to it. But what happens when it stops working? The home button on iPhone 7 is not a physical button its taptic powered.

Take a look below 

Apple has included a Onscreen button for the mean time convince.

Picture credits @macrumors

By- Eshvinder chhabra