How to Make the Screen Bigger on an iPhone
Owners of the Apple iPhone can call, text, download apps, check email and surf the Web all from a handheld device. The phone features a large, 3.5-inch widescreen multi-touch display. Though the screen is large, certain Web pages and applications may appear small. Users can utilize the zoom feature of the phone to make the screen bigger.
Press the "Home" button the front of the iPhone.
Slide the Zoom switch to the "On" position.
Tap the "Accessibility" button to save your changes.
Double-tap the screen using three fingers to zoom in and make the screen bigger.
Drag your fingers around the screen to move around while zoomed in.