Apple Serial Look - Up

This is the most reliable source for warranty information.

Taking two minutes to perform an Apple serial lookup can save you hundreds of dollars and a major headache. apple serial look up

Since mid-2021 (starting with the purple iPhone 12, AirTag, and subsequent M2 Macs), Apple uses with no human-readable logic. Why? To combat fraud, parts harvesting, and fake serial generation. This is the most reliable source for warranty information

Confirming the device is a genuine Apple product rather than a sophisticated counterfeit. and subsequent M2 Macs)

If you are buying a used device, the warranty isn't the only thing that matters. You need to ensure the device isn't linked to someone else's iCloud account.