Unlock Airtel (Huawei E1731) 7.2 mbps usb 3G modem

Hello!! Guys i have recently posted specification and price of Airtel usb 7.2 mbps 3g modem.This device is SIM-locked to Airtel network that means you can use only airtel simcard with Airtel 7.2 Mbps modem,Bharti airtel also comes with Huawei E1732 which has customized firmware and its firmware version number is  11.126.16.04.284 and software version is 16.001.06.07.254 Fakiro .Unfortunately thing is that popular DC-Unlocker is not supporting it so here i am sharing complete guide to unlock Airtel 7.2 mbps usb 3g modem.By Unlocking modem you can able to use any mobile operator simcard in unlocked device.

Software needs to download:

Before starting unlocking you need following two software.So download it first and Extract it.
Get download link
(press CTRL + click my affiliations box gray background @ top right in sidebar of this page to view download links below) :

• Huawei E173 Firmware [Download Now]
• Universal master code Calculator [Download Now]
  

Unlock Huawei Airtel E1731 7.2 mbps usb 3G modem

 Follow this instruction carefully to unlock your modem:
1.Before Updating firmware you need to Calculate unlock/flash code for your modem.For that you need IMEI no of your modem.Which can be found on the box of the modem or on modem where you insert a simcard.Refer following screen shot and Enter your IMEI number and generate unlock and flash code using Universal Master code Calculator.
2.Then plug your device to your computer then Run E173 Huawei Firmware Download.exe  it will find your modem automatically.Make sure that you have closed airtel dashboard or mobile partner.
3. When the firmware updating starts it  ask for “FLASH CODE” which was generated by Universal master code software.Enter your Flash code and click on start
4.When the Firmware updating completed successfully.you are ready to use any simcard

 Note:

1) No power fluctuation happens while Unlocking,If you are using laptop then its better to connect your laptop charger while this process,Any fluctuation in power may damage a firmware of your card.After that your data card will not work  properly.
2)Don’t Remove data card Unlocking.This mistake  may dead your modem.