We found a great online calculator to help you unlock your Huawei E3131 3G dongle.
Simply go to the following website, enter in the devices IMEI and generate an unlock code.
Once done, turn on the device with the locked sim and when requested enter the unlock code.
The main site URL:
Simply go to the following website, enter in the devices IMEI and generate an unlock code.
- http://huaweiunlockcalculator.com/huawei-old-algo.php
Once done, turn on the device with the locked sim and when requested enter the unlock code.
The main site URL:
- http://huaweiunlockcalculator.com/