Bouygues Telecom locked Huawei E5577Cs-321 can be unlocked for free as our team has successfully developed the tool. It is basically modified firmware 21.313.01.01.309 of Bouygues Telecom E5577Cs-321. This device security is too high, so all normal firmware gives error.

The best features of our modified firmware is that it can unlock your router without opening the screws of the device. Means, for unlocking of Bouygues Telecom Huawei E5577Cs-321, there is no boot shot involved.

Earlier also our team had modified the firmware of MTN E5577s-321 which comes with firmware version 21.328.62.00.429 / 21.326.62.00.429 and WebUI version / It can be also unlocked without opening the screws.

Unlocking of MTN Ghana Huawei E5573s-320 (Firmware 21.321.01.01.429) is also free now.

This modified file will work with only firmware version 21.313.01.01.309, which comes locked to Bouygues Telecom E5577cs-321 Huawei router.

How to Unlock Bouygues Telecom Huawei E5577Cs-321 (Firmware 21.313.01.01.309) [FREE]?

1. Download the unlocking file of Bouygues Telecom Huawei E5577Cs-321 from the link which is provided at the end of this post.

2. Run on any Windows PC (32-bit or 64-bit / Win XP, Win 7 or Win 10).

3. Unlocking app of Bouygues Telecom E5577Cs-321 will generate the hardware ID, copy and paste in the comment box, since unlocking is free of cost.

4. Our team will provide the key according to the hardware ID.

5. Once you are ready with key, download Huawei latest drivers.

6. Unzip using WinRAR software and run the setup file.

7. It will install the correct drivers in background.

8. Now download and run DC unlocker software.

9. Click on Search Magnifying Glass.

10. It will detect your device and show complete details.

11. At the end of the result, in a new line, paste AT^GODLOAD.

12. Press Enter from the keyboard.

13. Wait for 10-second to load the drivers.

14. Now run the Bouygues Telecom Huawei E5577Cs-321 unlocking file, which you have already downloaded.

15. Fill the registration name and key which you have got by our team.

16. Click Register to start flashing the firmware of your Bouygues Telecom E5577 dongle.

17. Once flashing completed, again detect the device in DC unlocker software.

18. At the end of the result, paste the following:


19. Press Enter from the keyboard.

A response will come as OK.

Now your Bouygues Telecom locked Huawei E5577Cs-321 (Firmware 21.313.01.01.309) is unlocked permanently to use with all sim cards.


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