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Saturday, January 4, 2014

Unlock Airtel E1731 (E173Bu-1) Huawei Customised Firmware Modem Dongle Free

I had previously written article about unlocking of Airtel E1731 (E173Bu-1) Huawei Customised Firmware version 11.126.16.04.284 Modem Dongle free. In Aug 13 2012 19:28:09 Airtel with help of Huawei launched another firmware modem version 11.126.29.00.284 of Qualcomm MSM6290 Chipset. Today, I will guide you to unlock Airtel E1731 (E173Bu-1) Huawei Customized Firmware Modem Dongle Free. Only you need to follow some instructions to unlock your Airtel E173Bu-1 modem.

How to unlock Airtel e1731 (e173bu-1) huawei customised firmware modem / dongle :-

  • Download E1731 (E173Bu-1) Firmware Update from the download link which is provided at the end of the article to update your modem with un-customized firmware software.
  • Download Universal master code software from the download link which is provided at the end of the article.
  • Now generate unlock code and flash code using Universal Master code Calculator.
  • Now plug your Airtel E1731 (E173Bu-1) Huawei Customized Firmware Modem / Dongle to your laptop / Desktop / PC and disconnect from internet.
  • Now close the default dashboard of modem / dongle and Run firmware update E1731Update_11.126.15.00.00.B416.exe,  it will find your modem automatic.
  • Now firmware update process will start and after a few second it will ask you flash code as your password.
  • Provide the flash code as password.
  • After a few seconds your modem will be updated successfully.
  • Now update the modem with latest Huawei Mobile Partner Software from this link.
Now after fully updated your dongle, unplug and plug your modem with another than default sim (other than Airtel sim) in your computer / laptop. Now your dongle / modem will ask you unlock code / password. Put the password which you had generated earlier and your  Airtel E1731 (E173Bu-1) Huawei Customised Firmware Modem Dongle is unlocked forever.
Note :- If your modem does not ask for unlock code then use CardLock Unlock tool to write the unlock code into your modem.
Download E1731 (E173Bu-1) Firmware Update (E1731Update_11.126.15.00.00.B416)
Download Universal master code
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