You don't have to stretch out your thumb to change your screen brightness or turn on Do Not Disturb -- there are better ways ...

1. On the iPhone's lock screen, touch and hold anywhere on the display until you see the Customize button. You'll need to unlock the phone using Face ID, Touch ID or your passcode. If it opens the ...

The phone doesn't have a Home button, so there are all new controls ... you just swipe up from the bottom. If you want to multitask, you swipe up from the bottom and then hold for a second.