Nope, you don’t have to settle for itty-bitty text on your iPhone screen, nor must you deal with buttons that don’t look anything like buttons. Once you know which settings to change, you can boost the size of on-screen text on your iPhone or iPad, make words a bit more bold, zoom in with a virtual magnifying glass, warm up—or cool off—Night Shift, and more.Change text size
You don’t have to squint if the text on your iPhone or iPad is a little too small. There are a couple of ways to boost the size of text on an iOS device.Ben Patterson
iOS’s Display Zoom feature boosts the size of both icons and text on your iPhone or iPad display.
First, you can use the Text Size setting to boost the font size of onscreen text—or, if you really want, you can make text on your iPhone or iPad look even tinier. Tap Settings > Display & Brightness > Text Size, then drag the slider one way or the other.
If you want to make everything look a bit bigger—icons and buttons included—you can try the Display Zoom setting. Tap Settings > Display & Brightness > Display Zoom, then flick on the switch.(The article continues...)