For devices made before mid-2021 (iPhone 12 and earlier, Intel Macs, etc.), the 11–12 character serial number follows this structure (example: ):

Flip the laptop over; the serial number is printed on the aluminum bottom case near the regulatory markings.

: Shows if you are still eligible for complimentary phone assistance.

What you are checking (iPhone, Mac, AirPods, etc.) If you have already located the serial number

Do you need to emphasize a ? (e.g., focus heavily on iPhones or MacBooks?)

Shows whether you are still eligible for free phone support (usually active for the first 90 days of ownership).

Let’s dispel some rumors circulating online:

For secondhand buyers, checking the device history helps ensure it isn't linked to someone else's Apple ID or flagged as lost or stolen. How to Find Your Apple Serial Number

Download from App Store → sign in with Apple ID → select your device from "My Devices" → view serial and coverage.

Look at the white barcode label on the back or side of the original packaging. It will be explicitly labeled as Serial Number or S/N .

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