Counterfeit Apple devices will return an "Invalid Serial Number" error.
If you are encountering any during the lookup Whether you are buying this device new or used check iphone serial number for any apple device
Whether you are buying a used iPhone on eBay, troubleshooting a Mac, or simply trying to figure out if your iPad is still under warranty, knowing how to check a serial number is an essential skill for any Apple user. Counterfeit Apple devices will return an "Invalid Serial
: Verify that a serial number corresponds to a genuine Apple product, which is particularly useful for second-hand purchases. Repair History : Look up existing or past repair records by signing in to Apple My Support Where to Find Your Serial Number troubleshooting a Mac