Samsung also includes the manufacturing month and year in its serial number. You can usually find it in the box and sometimes in the back of the phone. You can also get it from the settings.

Here, it will be listed alongside other device information, such as the serial number. You can long-press ... On macOS Catalina or later, open Finder, select your iPhone, and go to the General ...

UPDATE: Apple has updated the recall information page to include a built-in serial number checking tool. Rather than checking your number against the Q combinations we provided earlier ...