Recently Huawei has launched Huawei E303B HI-Link Modem to various locations in the world. As you know I am very crazy in unlocking the latest modems. Huawei E303B Hi-Link modem can be unlocked with simple tricks. You just need to download latest unlocked mobile partner dashboard or software from the link which is provided at the end of the article to unlock your Huawei E303B Hi-link modem for free. 
huawei e303 modem
huawei e303 modem
After downloading the software just follow the simple and step by step guide to unlock your Huawei E303-B Hi-Link modem for free :
  1. Unplug your modem from computer / laptop and change the default sim with any another network provider sim.
  2. Now Connect your E303B Hi-Link modem to your PC.
  3. Now dashboard will be opened automatically.
  4. Just close the default dashboard of your E303B modem and run the downloaded dashboard / connection manager.
  5. Now after running the downloaded dashboard it will ask your for password / NCK Code.
  6. Just provide the NCK / Unlock password and your modem will be unlocked forever.
  7. Now you can enjoy with any sim all over the world.
Note : Don’t enter any wrong codes into your modem. Purchase from any server or contact at email : for cheapest rate unlock code (Only 1.50$).

Update : If by any means your modem does not prompt for unlock code then still you can unlock your modem using Huawei Modem Code writer tool.