Unlocking of the O2 UK Huawei E8278s-602 modem is possible using unlock code if it prompts for an NCK code after changing the sim card. 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 sim lock code of  O2 UK Huawei E8278s-602. This means, that 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 E8278s-602, you need to comment with the model, IMEI, network, and country on which it is locked. Once the correct details will be 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 around the world.

How to unlock O2 UK Huawei E8278s-602 [FREE]?

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

Step 2. Connect the O2 UK Huawei E8278s-602 to PC with USB.

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

Step 4. Run the setup file of the dongle.

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

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

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

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

Step 9. Click Apply/OK.

Step 10. Now your O2 UK Huawei E8278s-602 is network-free.

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


  1. Please provide SIM unlock code

    Model: Huawei E8278s-602
    IMEI: 866425010659714
    Country: Bahrain
    Network: Viva

  2. please provide sim nnlock code model:huawei E8278
    network:syriatel and mtn

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