3 Tre Italy locked Huawei E5575s-210 can be unlocked as our team has successfully developed the tool. It is basically modified firmware 21.317.01.03.12 of 3 Tre Italy E5575s-210. 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 3 Tre Italy Huawei E5575s-210, there is no boot shot involved.

One of our customer has personally tested and working successfully.

This modified file will work with only firmware version 21.317.01.03.12, which comes locked to 3 Tre Italy E5575s-210 Huawei router.

How to Unlock 3 Tre Italy Huawei E5575s-210 (Firmware 21.317.01.03.12)?

1. Download the unlocking file of 3 Tre Italy Huawei E5575s-210 from the link which is provided at the end of this post.

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

3. Unlocking app of 3 Tre E5575s-210 will generate the hardware ID, copy and keep it in a notepad.

4. Once paid (Charge is 10USD, which you can pay through PayPal), 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 3 Tre Italy Huawei E5575s-210 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 3 Tre E5575 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 3 Tre Italy locked Huawei E5575s-210 (Firmware 21.317.01.03.12) is unlocked permanently to use with all sim cards.

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