Finding Serial Numbers - Apple Devices
How to find the serial number on any Apple device.
To find a serial number on any Apple Device go to: https://support.apple.com/en-us/HT204308/
Sometimes, if a notebook has been repaired by Apple and the bottom plate has been replaced, the Serial Number won't be located there like normal. It is typically hand written on the inside of the bottom plate by the Apple Technician.