Back to Device Activation

All mobile devices are identified by an electronic serial number (ESN) or a mobile equipment identifier (MEID).

ESN:
An ESN is an 11-digit number. An ESN in hexadecimal, or hex, is represented by eight characters that are numbers and letters. The first digit is always one of A-F. MEID:
An MEID is always hexadecimal, represented by 14 characters that are numbers and letters. The first digit is always one of A-F.
Tips: