I had earlier written the article for  unlock k4511 vodafone huawei Australian modem dongle. In Australia Huawei also launched the Vodafone K3771 modem dongle. Unlocking of Vodafone K3771 Huawei Australian modem is easy and after unlock you can use any another network provider sim in your modem. When there is so many benefit , i mean freedom in network selection, then why not unlock the modem. After unlocking you can not only use Vodafone sim, but you can use any network sim in the world e.g Airtel, Aircel, MTN, Glo, EE, 3 etc.

Vodafone K4511 Huawei Modem Dongle
Vodafone K3771 Huawei Modem Dongle

How to remove the Vodafone SIM lock restriction on the Huawei K3771 USB Modem so that the device can be used with any network SIM card :


  1. Note down the IMEI of your Vodafone K3771 Australian Huawei Modem.
  2. Now download the Vodafone K3771 Australian Huawei Modem dongle unlocking software from the download link which is provided at the end of the article.
  3. Now insert a non-Vodafone SIM card (another than Vodafone sim in Vodafone K3771 modem) in the device and plug the device to your PC / computer / laptop.
  4. Now double-click on the download Vodafone K3771 modem unlocking software. (CardLock_Unlock.exe software).
  5. Detect the COM port of your modem and enter the unlocking code and press the OK button.
  6. Now your Vodafone K3771 Huawei modem will be unlocked permanently and it will display “Unlock successful!”.
  7. Now you can use Vodafone K3771 Australian Huawei Modem Dongle with a non-Vodafone SIM Card also.


Note : Don’t enter any wrong codes into your Huawei Vodafone K3771 Australian Modem. Either purchase through any server or pay through above paypal button and mail me details in kamlesh2011@gmail.com to get the correct unlock code of your modem.


Download Vodafone K3771 Australian Huawei Modem Unlocking Software