I had previously also provided some firmware for Huawei new algo modems download links at here. Firmware is the internal software of modem which is essential part of any modem and without firmware modems can not function properly. Some network provider launches Huawei modems without customized firmware (unlocked firmware) and some network provider locks the firmware of Huawei modem which is called customized firmware. You might heard already about the customized firmware of Idea E303 (E303Ds-1) modem. No hackers till now could unlocked Idea netsetter E303 (E303Ds-1) modem.

huawei e3276 stc 4g lte modem
huawei e3276  4g lte modem

But still you have a good luck. If you have purchased E3276 modem from the market with customized firmware then you can easily unlock it with the help of unlocked firmware (un-customized firmware). There is no need to purchase another modem to use another network sim in locked E3276 Huawei modem.


How to unlock customized firmware Huawei E3276 modem / dongle to use another network sim in unlocked Huawei E3276 datacard :


  1. Just go ahead at the end of the article and download any firmware update of Huawei E3276 broadband 4G LTE modem.
  2. Now disconnect from the net and plug your Huawei E3276 modem into PC.
  3. Now close the default software of Huawei E3276 (if it runs).
  4. Now run the downloaded uncustomized firmware (software) update.
  5. Now it will ask you password.
  6. Provide flash code as password.
  7. Follow the screen and after a few minutes your Huawei E3276 modem will be updated with new un-customized firmware.
  8. Now you can follow unlocking solution of huawei e3276s-920 stc saudi arabia modem dongle to unlock your E3276 modem.


Note : Don’t enter any wrong codes while unlocking your Huawei E3276 modem. Otherwise Huawei E3276 modem will be locked permanently. Either purchase through any server or pay through above paypal button and mail me details in kamlesh2011@gmail.com to get correct unlock code.


Download Huawei E3276 Modem Firmware Update E3276s Update_21.436.03.00.00.exe

Download Huawei E3276 Modem Firmware Update E3276_Update_21.