How to use an Apple phone with only one button?

A key you mentioned here refers to the home key, which has two main functions:

First, light up the screen.

Second, press the key at the same time to take a screenshot.

In addition to the home button, Apple phones have three buttons:

1, top power button: on/off, lock screen, open screen, double-click when incoming call, you can hang up. Press the home button at the same time to take a screenshot. ?

2. Volume button: adjust the volume, which can also be used when taking pictures.

3. Mute key: Mute.

Apple phones only have one HOME button, while most Android phones have three. The main reason is that Apple applied for a one-button patent. This inspiration mainly comes from the designer's design of the toilet; Press a button and it will be clean. I hope I can help you.