: Open Terminal and enter: system_profiler SPHardwareDataType | grep Serial . iPhone & iPad In Software : Go to Settings > General > About .
GET /api/v1/lookup/serial_number
: On older iPhones and all iPad models, the serial number is engraved on the back. For some iPhones, the IMEI is printed on the SIM tray. Apple Watch On the Watch : Go to Settings > General > About . apple serial lookup
