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.
Performing an iPhone SN lookup can provide valuable information about a device's history and authenticity. Here are some reasons why: iphone sn lookup