To restore your new phone, open Finder or iTunes, and connect your phone to your computer. Click Trust when prompted, and then follow the prompts, selecting the backup you just created as what you ...

You may also see a Pair Apple Watch with New iPhone? pop-up on your Apple Watch. Tap OK and follow the on-screen instructions to start the automatic transfer. However, if you don't see this option, ...

You can also adjust the brightness of the screen manually ... and slide it up to bring up the Control Center (or swipe up from the upper-right corner of your screen on an iPhone X or later).