Summary: With iOS 11, Apple changed up how you activate the Night Mode on your phone. The company originally introduced Night Shift in iOS 9.3 as a way to make screens a little easier on the eyes at night (and help you get some sleep in the process. Now there are two options for your iPhone: That Night Shift Mode and a new ‘Smart Invert Colors’ mode that expands on an accessibility feature in iOS and makes for a pretty solid nighttime display option.
