.

Also, what is reachability for?

One such change is the introduction of something Apple calls “Reachability.” Reachability is a software option that lets users temporarily move the iPhone 6 user interface down towards the bottom of the screen, so that those with smaller hands or those using the phone single-handed can more easily reach the desired UI

Also, what's the use of double tapping home button? To invoke Reachability in any app, the Touch ID button is double-tapped (not pressed). Tapping the Touch ID button (home button) twice will bring the top half of the iPhone screen down to the middle of the display. This means controls or apps at the top of the screen can be reached without using a second hand.

Accordingly, what's the use of reachability in iPhone?

When Apple introduced the larger-screened iPhone 6 and iPhone 6 Plus, it conceded users would need help with using the bigger devices with one hand. Apple's solution is called Reachability. The feature makes it quicker and easier to reach to content at the top of the screen.

What does SOS mean on iPhone?

Emergency SOS on an iPhone is a feature that allows you to immediately call emergency services after you quickly click the power button (also known as the Sleep / Wake button) five times in a row. After pressing the power button five times in a row, an emergency SOS slider appears.