How to Change Text Size on iOS

Open settings. Click the iPhone Settings App Icon labeled “Settings” to access your mobile’s central control.

Scroll to and click on Display and Brightness.

Click on Text Size >.

Scroll the circle to the left and the right to change the size of your device’s text. Scroll to the left to make the text smaller and to the right to enlarge your text. Notice that all text will change size as you scroll.