This section gives you step by step instructions on how to enable the one-handed keyboard in iOS 15, with pictures of the screens to help.
1. Tap the Settings icon on your Home screen to open the Settings app. Scroll down and tap General.
2. On the General screen, tap Keyboard.
3. On the Keyboards screen, tap One-Handed Keyboard.
4. From the options on the One-Handed Keyboard screen, select Left or Right.
5. When you are happy with your settings, you can return to the Home screen by swiping up from the bottom of the screen or by pressing the Home button on devices with a physical Home button.
6. You can also change the keyboard layout from the keyboard itself. With the keyboard open, long-press on the emoji button to open the keyboard menu. In the keyboard menu, tap either the left or right keyboard icon or choose the full-width keyboard to return to the default layout.