Unlock Huawei E172 Modem Free with Universal Master Code Software –  If you are still using locked Huawei 3G USB E172 Modem you will must want to unlock it for free. It can be unlocked with a simple solution, means with the help of unlock code only. I have already provided so many unlock solution of various types of modem e.g. Huawei, ZTE, Alcatel, Vodafone, MTN, Micromax, Airtel, Aircel, Idea, Reliance, Tata Docomo and today it’s turn to provide the unlock solution for Huawei E172 USB Modem totally free. You just need to download one software which download link is provided at the end of the article. Just download the said software from  the link which is provided at the end of the article and follow the guidelines as provided by me.
Download Universal Master Code Tool Free
Step by step guide to unlock Huawei 3G USB E172 Modem totally free :
  1. Eject the modem from your computer/laptop.
  2. Note down the imei which is written on the reverse side of the Huawei Modem.
  3. Run the downloaded software and go to Huawei tab
  4. Put your IMEI number in IMEI box which is highlighted in above screenshot.
  5. Now click on Calculate button.
  6. Now the software will calculate the Unlock code and flash code for your modem.
  7. Note down the Unlock code only.
  8. Change the sim with other than default sim.
  9. Now plug your modem in your computer/laptop.
  10. Now let the run dashboard.
  11. Now its will ask you for unlock code / password.
  12. Just provide the unlock code which you have note down and click on OK.
  13. Now your Huawei E172 Dongle is unlocked forever.


Enjoy your unlocked Huawei E172 3G USB modem!!!


Note : If your modem has customized firmware then you need first firmware flash then this trick will work for you.

Download Huawei 3G USB E172 Modem Unlocker Software