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iPhone User Guide

Make text easier to read on iPhone

You can make it easier to read text on iPhone by increasing its size, making it bold, and more.

👁 An iPhone with the Mail app open. An email is displayed with large, bold text.

Make text bigger and bolder

You can set a single preferred text size for all supported apps (including Calendar, Mail, Messages, Notes, Settings, and more). You can also turn on bold text.

  1. Go to Settings 👁 Image
     > Accessibility > Display & Text Size.

  2. Do any of following:

    • Make text bigger: Tap Larger Text, then drag the slider to adjust the text size.

      For additional text sizes, turn on Larger Accessibility Sizes.

    • Make text heavier: Turn on Bold Text.

Tip: Change the size of text while you’re in an app. Open Control Center, then adjust the Text Size slider 👁 Image
. If you don’t see the Text Size slider, tap 👁 the Add button
in the top-left corner, tap Add a Control, then tap the Text Size control.

You can also turn on Display Zoom to increase the size of text as well as interface elements like icons and buttons.

Make onscreen elements easier to see

You can make onscreen elements—like controls, buttons, and the Control Center—easier to see by adding a border around them.

  1. Go to the Settings app 👁 Image
     on your iPhone.

  2. Tap Accessibility, then tap Display & Text Size.

  3. Turn on Show Borders.

You can also change display colors on iPhone to make it easier to see what’s onscreen or zoom in on the screen.

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