Change the language on your iPhone or iPad - Apple Support

You can change the language setting on your iPhone or iPad if it's incorrect or if you've accidentally changed the language to one you don't understand.

Use Markup to add text, shapes, signatures, and more to documents on iPad - Apple Support

Customize your Safari settings on iPad - Apple Support

Use parental controls on your child's iPhone, iPad, and iPod touch - Apple Support

How to customize VoiceOver pronunciations on your iPhone or iPad - Apple Support

Add, edit, and remove widgets on iPhone - Apple Support

Set up your iPhone or iPad - Apple Support

Use Quick Start to set up a child's iPhone or iPad - Apple Support

iOS - Wikipedia

Use AssistiveTouch on iPad - Apple Support

Get tips on iPhone - Apple Support

How to Change App Language on Your iPhone or Mac

How to Change the Language on an IPad

iPad User Guide - Apple Support

Search for email in Mail on iPad - Apple Support

Use tones and ringtones with your iPhone or iPad - Apple Support