Adjust system-wide text and increase font size
If you need to increase font size on iPhone 11, start in Settings > Accessibility > Display & Text Size to control how everything looks across the system. Here you can make text larger and bold, and the display brighter by dragging the Larger Text slider and toggling on Bold Text. Switching on Larger Accessibility Sizes unlocks a bigger range on that slider for anyone who needs truly prominent lettering. If icons and buttons still feel cramped, turn on Display Zoom to enlarge interface elements without changing your text setting. When you need to temporarily bring the top of the screen within thumb's reach, swipe down on the bottom edge of the screen, which is a useful trick if you want to make screen smaller on iPhone 11 without altering your font settings. This gesture shrinks the active area instead of resizing content. Should you ever find the whole display stuck magnified, double-tap with three fingers to unzoom iPhone and return to the standard view instantly. For a more permanent fix, go to Settings > Appearance > Display Zoom and switch back to the default view, which is also how you would minimize iPhone screen when you need to reduce the overall interface scale. This action has the same effect as reduce screen size on iPhone 13, scaling the entire interface down to its normal proportions so nothing looks oversized.
Customize icons and install different fonts
If the standard text controls are not enough, you can also work with the Home Screen itself by enlarging icons on iPhone to create a less crowded layout. From the Home Screen, touch and hold the Home Screen background until the icons begin to jiggle. Then tap Edit and choose Customize. A control lets you switch to the large icon size. This spreads everything out and removes the app names from view entirely.
A very different kind of visual refresh involves iPhone 11 font customization, although the process is not what most people expect. Your device does not let you swap the system-wide typeface. Instead, you install fonts from a font provider. The new styles only appear inside compatible apps like Pages or Keynote. Once fonts are added, you can review or remove them by going to Settings > General > Fonts. Every installed typeface is listed there.
Adjust text size in apps and on other devices
When you need more control inside a single app, you can change font size on Google Docs on mobile without touching the system menus by opening your document, tapping the Edit icon, double-tapping the text you want to adjust, then tapping Format and choosing Text to find the Size picker. The path is nearly identical whether you are on iPhone or Android, though the exact labels shift slightly between the two platforms. If reading everywhere on the phone feels strained, you may want to enlarge text on Android through the main system panel by searching for Font size and moving the slider to a comfortable level, or by swiping down for Quick Settings and tapping Font Size to drag the percentage control. Samsung owners looking for a more flexible tool can turn on the zoom on Samsung phone feature by visiting Settings, then Accessibility, then Visibility enhancements, and enabling Magnification, after which a shortcut appears that lets you magnify any part of the screen on demand. For even faster access to tools like Larger Text across Apple devices, you can add accessibility features to the iPhone & iPad control center by opening the main preferences, tapping Control Center, and adding Accessibility Shortcuts from the More Controls list, giving you a single button that opens a menu where you can toggle your most-used vision aids without digging through menus again.
