How to Unlock Huawei E3331 (E3331s) Un-Customised Firmware Modem?

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Unlocking of Huawei E3331 (E3331s) modem is possible if it comes with a un-customized firmware. It would help if you had an unlock code and unlocking software. There is no need to change the firmware, which means there will no problem with the warranty.

Huawei E3331 Modem
Huawei E3331 Modem

How to Unlock Huawei E3331 (E3331s) Modem to use any other SIM?

  1. Connect your E3331 to PC with a different SIM card (other than default).

2. Let it install all the drivers and software which is related to your dongle.

3. If the dongle does not automatically install the drivers/software, then open “My Computer / This PC,” and you will see a virtual CD-ROM. Open it and install it on your PC.

4. Now, go to the end of the article and download the latest Huawei mobile partner software.

5. Now connect your Huawei E3331 (E3331s) data card to the PC.

6. The modem’s default software will be automatically opened, close, then launch Huawei mobile partner by double-click from the desktop.

7. Now, it should ask for the password / NCK Code.

8. provide the NCK / Unlock code, and your modem will be unlocked forever.

Now you are free to use the device with any other network provider SIM.

If your E3331 is a hi-link device, then above mentioned trick will not work. Just change the SIM and connect to the PC. Login to the device, and it should ask for the SIMLock code. Enter the code and enjoy.

Note: If your Huawei E3331 (E3331s) dongle does not prompt for unlock code, then disconnect the internet and close the software. Now run Huawei E3331 (E3331s) data card unlocking software and detect the device under it. Once the device IMEI is visible under the unlocking tool, enter the code and click OK.

Note: Don’t try any wrong codes into your Huawei E3331 (E3331s) modem; otherwise, it will be locked permanently.

Download Huawei E3331 (E3331s) Modem Dongle unlocking software

Download Huawei Mobile Partner Free

 

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