Open Settings
Tap Display & Brightness
Tap Text Size
Adjust the slider to change text size
To change font style (if available), tap Fonts
Choose a font style
Tap the font you want
Tap Done
To use different font sizes in apps, open the app’s settings (if the app supports it)
Open Settings
Tap Accessibility
Tap Display & Text Size
Tap Larger Text or Bold Text to adjust text appearance