Some Models Huawei Models supported by the calculator the software provided 4 codes to know the flash code to use if you wish to change your firmware the unlock code v1 v2 and v3 to use depending on the age of your modem. the software is compatible with all systems the software has no limit in the number of modem to unlock the calculator does not need an internet connection to deliver your unlock code here is the solution to your problem: Huawei code calculator V3 V4 offline It would be better to have an independent calculator.
