iPhone tips and tricks: How to use gestures and controls

Let's first familiarize ourselves with the buttons. The good news is that there aren't that many!

You don't have to do this all that often, but it's good to know how to do it.

Press and hold down the side button and the volume down button, then slide to power off.

Press and hold down the side button and then tap the volume up button. Screenshots will be saved with your Photos, but if you want to edit or delete them on the spot, tap on them while they are shown in the bottom left of the display.

There are lots of ways to activate Siri, and one way is to press and hold down the side button.

Bringing the iPhone to a card reader should activate Apple Pay, but if you want to do it manually, or bring up the Wallet app, double tap the side button.

To bring up Emergency SOS and disable Face ID on the iPhone, press the side button five times in quick succession.

To wake up the display on the iPhone -- either because you want to be discreet or have Raise to Wake disabled - just tap anywhere on the screen. Alternatively, you can tap the side button.

Do show the notifications screen on the iPhone, swipe down from the top left of the display.

To open Open Control Center on the iPhone, swipe down from the top right of the display.

Swipe up from the bottom when the iphone is locked while looking at the iPhone.

To switch to another open app, swipe from the bottom about a quarter of the way up the screen to bring up the app switcher, then find the app you want to switch to and tap on it.

To switch to another open app, swipe from the bottom about a quarter of the way up the screen to bring up the app switcher, then find the app you want to close then flick it upwards.

When in an app, swipe up from the bottom of the screen.

To rapidly switch between open apps, swipe right-to-left or left-to-right on the bottom of the screen.

To use Reachability -- which brings the top of the screen within reach of your thumb -- first make sure it is on by going Settings > General > Accessibility and making sure Reachability is on.  

To activate Reachability, swipe down the bottom part of the display.

To bring up Accessibility shortcuts ap the side button three times.

You don't have to reboot a crashed iPhone that often, but when you do need to do it, here's how.

Tap and release the volume up button, then tap and release the volume down button, and finally press and hold the side button until the IPhone reboots (the Apple logo appears).