Despite the shift to randomization, the serial number remains the most important identifier for support.
: Check the underside of the laptop near the regulatory markings. apple serial
However, starting roughly in 2020 and becoming standard by 2021, Apple switched to a . Despite the shift to randomization, the serial number
Every iPhone, Mac, and iPad that leaves Apple’s warehouses carries a silent, alphanumeric passport: the . At first glance, it looks like a random jumble of letters and numbers. But to Apple, repair techs, and savvy resellers, this string is a dense roadmap of the device’s identity, birth, and pedigree. Every iPhone, Mac, and iPad that leaves Apple’s
Where the device was born.
A unique “NAND identifier” tied to the specific logic board and storage chip.
If you are purchasing a second-hand Apple device on a marketplace like eBay or Swappa, the serial number is your best friend. Here is what to look for: