Download Huawei Huawei E5372 Mobily unlocker software
NOTE: This software will work only with Huawei E5372 Firmware 21.270.01.00.82 Build Apr 15 2014, 15:08:03
Launch software
If there is no DC-Unlocker/Rocker/Vygis or Infinity dongle connected to PC, then log in screen will appear. Use your account details to log in, otherwise you have a possibility to access software with free account that will allow you only to detect device
How to get Username/Password check here
Afterwards, Huawei E5372 Mobily Unlocker software window will appear
Connect Huawei E5372 to PC then check adapter binding settings like shown here. Then wait minute or 2 until it is recognized on computer then click "Refresh" button, wait for device to be detected on software
Click "Unlock" button, monitor update process
At the end a message will appear that unlock has beeen completed successfully
Restart device to finish the process. Now device is unlocked and usable with other operator sim cards