Recently STC network company has also launched E3276s-920 Huawei modem in Saudi Arabia. STC E3276s-920 is a nice looking dongle and also easy to unlock. It is a Cat.4 4G LTE USB internet stick that supports 150Mbps download link. It is the world’s first LTE Cat4 stick which allows speed over 100 Mbit / s download – exactly 150 Mbit / s on LTE FDD network.

As you know that Huawei launches modems in the market locked to a particular network, and Huawei E3276s-920 dongle is locked to STC Saudi Arabia network, so that you can not use another network SIM in it. Once the device is unlocked, you are free to choose any carrier.

We had also unlocked Huawei E392u-12 dongle of TMN Portugal, H3G Denmark, and France Orange. You can also find out the unlocking of Huawei E392 Zain Saudi Arabia modem.

Huawei E3276 STC 4G LTE modem
Huawei E3276 STC 4G LTE modem

How to Unlock Huawei E3276s-920 STC Saudi Arabia Modem?

1. Download Huawei E3276s-920 STC Saudi Arabia dongle unlocking tool from the link which is provide at the end of the article.

2. Now disconnect the internet and close the software of modem.

3. Now change the default SIM card with another network provider SIM and plug the modem to PC or laptop.

4. Now Huawei E3276s-920 STC Saudi Arabia dongle software will automatically launch.

5. Now E3276s-920 STC dongle will ask for unlock code.

6. Put the unlock code and click on OK.

7. Now your modem is unlocked forever.

8. If your Huawei E3276s-920 STC Saudi Arabia dongle does not ask for unlock code then close the software of the modem.

9. Now run the downloaded Huawei E3276s-920 STC unlocking software software (Cardlock Unlock Tool).

10. Now detect your Huawei E3276s-920 STC under the downloaded software.

11. Now put 8 digits unlock code into the software and click on OK.

12. Now your Huawei E3276s-920 STC Saudi Arabia dongle is unlocked forever.

Note : Huawei E3276s-920 STC Saudi Arabia dongle comes with new algo security. It can not be unlocked with old algo unlock code. Pay 1.50$ through paypal and mention model with IMEI in the transaction. Users who want to buy the new algo unlock codes in cheap rates in bulk can see the rates at here.

Download Huawei E3276s-920 STC Saudi Arabia Modem Unlocker Software


  1. Hi Kamlesh, I updated the firmware using the “normal” version (22.x.xx), and it doesn’t have signal. When I try to flash it with the STC version 21.x.xx, it got an error 10, find port failed. Mobile Doctor can’t repair it either. Any help would be appreciated. Thank you.

  2. Hi kamlesh, i know that E3276 can support LTE 900/1800 but STC firmware doesn’t use that LTE frequency, can u help me to make all the frequency available so its can support all provider LTE? btw, the modem already unlock but the LTE freqeuncy still has limitation so i can only connect in 3G with some network provider. i’m willing to paypal u if u can get it work properly with LTE

    • I have same problems with you. Have you get solutions ? My modem e3276s -920 STC Saudi Arabia was unlocked, but when I tried to operate it, I still in 3G. My 4G can not work. Could you share solution with me? Thank you very much

  3. i got undetected sim card in my modem. try to unlock with your tool, but it said unlock failed, data card had been unlocked!. help.

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