Open Settings
Tap Display & Brightness
Tap Display Zoom
Select Zoomed
Tap Set
Restart if prompted
Open Settings
Tap Accessibility
Tap Display & Text Size
Turn on Larger Text
Adjust the text size slider
Open Settings
Tap Accessibility
Tap Zoom
Turn on Zoom
Use three-finger double-tap to zoom in
Use three-finger drag to move around the screen
Increase app icon size by using Zoomed display mode
Use landscape mode in supported apps
Check if the app has its own text size or display settings