Go to Settings > General > About . The serial number will be listed there.
As a second-hand buyer or device owner, I want to input an Apple serial number and retrieve the device's technical specifications and warranty status so that I can verify the device is genuine and check its coverage before purchasing or claiming a repair. apple search serial number
Upon a successful query, the system displays: Go to Settings > General > About
Usually 11–12 characters (newer devices often use randomized serial numbers). apple search serial number
Depending on whether your device works, you can find the serial number in several locations. iPhone, iPad, or iPod touch
Check the underside of your Mac laptop or back of your iMac.