The software uses the AT command interface (typically via a virtual COM port) to poll the modem for its IMEI, firmware version, and lock status.
Genuine unlock codes are not "cracked" locally. They are generated using a combination of: Huawei Modem Unlocker.exe
Launch the (or a similar tool like Universal MasterCode ). Enter your 15-digit IMEI number and click Calculate . The software uses the AT command interface (typically