— Displays the current IMEI on virtually all mobile devices. Software Version: — Displays the firmware version and build date. Factory Reset: — Restores original settings but change the IMEI. 2. Commonly Misidentified "Change Codes"
IMEI stands for . It is a unique 15-digit serial number assigned to every GSM, UMTS, or LTE phone. Think of it as a social security number for your device. nokia 1200 imei change code