O2 United Kingdom has recently launched launched a new 4G LTE modem, the Huawei E3372H-153. This sub-model of Huawei E3372H comes with firmware version 22.327.62.01.405. It is highly secured firmware and there is no direct procedure to change the firmware to universal one for unlocking.

Our team has modified this firmware of O2 United Kingdom Huawei E3372H-153 (Firmware 22.327.62.01.405) and now it can flash the firmware to universal one. Means, unlocking of O2 Huawei E3372H-153 is now possible without opening the screws of the device.

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.

Another good news is that, it will cost only 6USD to unlock O2 United Kingdom E3372H modem. You have to provide the hardware ID by email to get the key for the unlocking of O2 United Kingdom E3372 modem (along with model, IMEI, network and country of the device). Unlocking of MTN Ghana Huawei E5573s-320 (Firmware 21.321.01.01.429) is also supported now.

This modified file will work with the firmware version 22.327.62.01.405, which comes in O2 United Kingdom E3372 modem.

How to Unlock O2 United Kingdom Huawei E3372H-153 (Firmware 22.327.62.01.405)?

1. Download the unlocking file of O2 United Kingdom Huawei E3372H-153 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 O2 United Kingdom E3372H will generate the hardware ID, copy and email me (charge is 6USD).

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 O2 United Kingdom Huawei E3372H-153 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 O2 United Kingdom E3372H 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 O2 United Kingdom locked Huawei E3372H-153 is unlocked permanently to use with all sim cards.

Share your thoughts here!