Always check before you click “Buy,” and always use Apple’s own tools. Your future self (and your wallet) will thank you.

Every iPhone, Mac, iPad, Apple Watch, and even AirPod comes with a unique genetic code: its serial number. This seemingly random string of letters and numbers is far more than a manufacturing label. Performing an Apple Serial Number Check is the digital equivalent of a vehicle history report—it reveals the true identity, history, and eligibility of an Apple device. apple serial number check