How to turn your iPhone into a magnifier
Open Settings on your iPhone Tap on Accessibility Tap on Magnifier Toggle the switch on
Open Settings on your iPhone Tap on Accessibility Tap on Accessibility Shortcut Tap on Magnifier to select it Triple tap the side button or home button on your iPhone to launch the magnifier
Open Settings on your iPhone Tap on Accessibility Tap on Touch Tap Back Tap Select Double Tap or Triple Tap Scroll down and select Magnifier Double or triple tap the back of your iPhone to launch magnifier, depending on what you setup