Apple to Transition to Longer Serial Numbers for Repair Parts in October

Apple will begin to use a new and longer serial number format for iPhone, Mac, Apple Watch, and other product repair parts starting October 1, a few weeks following the expected launch of the new iPhone 14, Apple Watch Series 8, and other new products.
Read more: https://www.macrumors.com/2022/08/22/apple-transition-new-serial-number-format/?source=Snapzu