with reachability you can reduce the top half of your apple iphone display this makes interacting with buttons and web links simpler with one hand while you'' re in portrait alignment if you have an iPhone with face ID area your finger simply above the bottom of the display and afterwards swipe down toward the bottom Edge if you have an iPhone with a home button just gently double tap the home switch reachability can also be established as a back faucet or as an Assistive Touch custom-made switch to…
Read MoreHow to reach the top of your iPhone screen with one hand | Apple Support
