Unlocking the O2 UK Huawei E8278 modem is possible using unlock code if it prompts NCK code after changing the simcard. We are providing a totally free unlock code, which means there is nothing to pay. At the sim-unlock.blog, we provide the correct free simlock code of  O2 UK Huawei E8278. This means, if your device is asking for a SIMLOCK code after changing the default SIM card (to any other network provider sim card), then it can be easily unlocked without paying anything.

To get the correct unlock of O2 UK Huawei E8278, you need to comment with the model, IMEI, network, and country on which it is locked. Once the correct details are received, our team will reply with unlock code.

There is no need to change the firmware or software of the modem, which means you will not lose the warranty. Unlocking a device by code is the easiest and fastest method. Once the modem is unlocked, you can use it with any supported band SIM cards worldwide.

How to unlock O2 UK Huawei E8278 [FREE]?

1. Change the default simcard with any other network provider sim card.

2. Connect the O2 UK Huawei E8278 to the PC with a USB.

3. Open My Computer >> Virtual CD-ROM.

4. Run the setup file of the dongle.

5. It will automatically install the software and correct drivers to your computer.

6. It will automatically open the WebUI / connection manager.

7. It should prompt for SIMLOCK or NCK code (Only 10 attempts will be available to enter the code).

8. Enter the correct sim unlock code which is provided by sim-unlock.blog.

9. Click Apply/OK.

10. Now, your O2 UK Huawei E8278 is network-free.

Once your device is successfully unlocked, you can connect to the internet.


  1. Hello, please help me unlock:

    HUAWEI E8278s – 602
    IMEI: 866425010287938
    NETWORK: O2 or Vodafone, not sure.

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