How To Unlock The Modem
Write down the IMEI number of your modem. The IMEI number can be located at the back of the modem.
Open the software
Click the Calc Button to generate the unlock codes.
NOTE:The V1 code is for old model modems like E3131A, the V2 code is for slightly old models such as E303 and the V201(v3) is for newer models such as K4203.
Write down the unlock code and insert a foreign or unsupported SIM into the modem.
Immediately you insert a different SIM into the modem, a notification will pop up asking you to enter the unlock code. For some models, you need to open the Connection Software of the modem eg Mobile Partner, 3 Connect, Vodafone Mobile Broadband Connect etc.
Note that some people have problems using the code with Windows 8 and 10. It is highly recommended to use Windows 7 or any other OS.
Enter the unlock code to unlock your modem.
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