Use Notes on your iPhone, iPad, and iPod touch - Apple Support

Lock or unlock notes on your iPhone or iPad - Apple Support (CA)

What to do before you sell, give away, or trade in your iPhone or iPad - Apple Support

Create and format notes on iPad - Apple Support

Draw or write in Notes on iPad - Apple Support

Create and format notes on iPhone - Apple Support

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

If you forgot your iPhone passcode

Draw with Notes on your iPhone, iPad, or iPod touch

Move content from Android to iOS - Apple Support

Import your notes and files to the Notes app - Apple Support

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

Take notes on iPod touch - Apple Support (MT)

Send and receive text messages on iPod touch - Apple Support