After you have gotten the unlock code for the modem, copy it. After installing it, Open the program.
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Insert another sim in the modem and plug it in your computer. The Unlock Code Will be shown.
Inputting another sim to the modem will prompt for an unlock code. To unlock this modem, you need to know the unlock code. You will see a screen like the below image mastercode to unlock glo modem, Select Huawei as highlighted in the above image. And Click on Calculate.
After Unlocking your modem, you will need to manually configure it to work perfectly with the inserted sim card. Then Check this post on how to manually configure your modem to work perfectly with the alien sim card.
Nairaland Forum Welcome, Guest: Tuesday, 26 February 2019 at 10: Type the unlock code and bingo, your modem is unlock. You will again be prompted to insert the unlock code.
If you have any difficulty in applying the above stated settings, please use the comment box to ask your question. You will be answered appropriately.