What is the Device Account Number?
The Device Account Number is used to make secure purchases in stores and within apps and websites. It will not work if it is compromised in any way and cannot be used outside of the device it is assigned to.
Apple, the Apple logo, Apple Pay, Apple Watch, Face ID, iPad, iPhone, iTunes, Mac, Safari, and Touch ID are trademarks of Apple Inc., registered in the U.S. and other countries. iPad Pro is a trademark of Apple Inc.