Use display and text size preferences on your iPhone, iPad, and iPod touch - Apple Support

Get apps in the App Store on iPod touch - Apple Support

If your Home Screen icons are magnified on your iPhone, iPad, or

Take and edit photos or videos in Messages on iPhone - Apple Support

iPhone User Guide - Apple Support

Dictate text on iPhone - Apple Support

If you're missing notes on your iPhone, iPad or iPod touch – Apple

Apple Accessibility

Use Check In on iPhone to let your friends know you've arrived

Use predictive text on iPhone - Apple Support

How to make text bigger on iPhone, iPad, or iPod touch

Make iPhone text easier to read with accessibility features

Find the model number of your iPhone, iPad, or iPod touch - Apple

Make and receive FaceTime calls on iPod touch - Apple Support