Use private Wi-Fi addresses on iPhone, iPad, iPod touch, and Apple Watch - Apple Support (CA)

To improve privacy, your device uses a different MAC address with each Wi-Fi network.

Deploy Apple Watch - Apple Support (CA)

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

About privacy and Location Services in iOS, iPadOS, and watchOS

Mark a device as lost in Find My on iPhone - Apple Support (MD)

About notifications - Apple Support (CA)

Control access to information in apps on iPhone - Apple Support

How To Use Private MAC Address On Apple Watch

Set up Family Sharing on iPhone - Apple Support

Setup basics - Apple Support