| Need | Use | |------|-----| | Warranty status | Serial → checkcoverage.apple.com | | Stolen/blacklist check | IMEI → carrier or third-party blacklist DB | | iCloud lock check | IMEI → Apple Activation Lock status page | | Before buying used | Serial + IMEI + in-person setup test |
An iPhone Serial Number is a unique 12-digit code assigned to each device by Apple. It's usually found on the device's packaging, in the Settings app, or on the device's backside (for older models). The SN is used to identify a device and track its warranty, repairs, and other service-related activities.
| Need | Use | |------|-----| | Warranty status | Serial → checkcoverage.apple.com | | Stolen/blacklist check | IMEI → carrier or third-party blacklist DB | | iCloud lock check | IMEI → Apple Activation Lock status page | | Before buying used | Serial + IMEI + in-person setup test |
An iPhone Serial Number is a unique 12-digit code assigned to each device by Apple. It's usually found on the device's packaging, in the Settings app, or on the device's backside (for older models). The SN is used to identify a device and track its warranty, repairs, and other service-related activities.
