How to Connect and Set Up Your New Apple AirTag
How to Factory Reset any Mac, iPhone, iPad, iPod touch, or Apple Watch - The Mac Security Blog
Set up your iPhone or iPad - Apple Support
Use FaceTime with your iPhone or iPad - Apple Support
Use Screen Time on your iPhone, iPad, or iPod touch - Apple Support
AirTag FAQ: Everything you need to know
Here's How AirTags Actually Work. This might surprise you, by Nikhil Vemu, Mac O'Clock
Get to know the Apple Support app for iPhone and iPad
How to set up AirTag
Move apps and create folders on your iPhone, iPad, or iPod touch - Apple Support
Use iCloud to transfer data from your previous iOS or iPadOS device to your new iPhone, iPad, or iPod touch - Apple Support
Set up your iPhone or iPad - Apple Support