E303 modem is very famous in the world and it has been launched by various network provider all over the world. Recently it has been launched in Uganda also by MTN network provider. Huawei E303 MTN customised modem can be also unlocked with the help of E303S unlocked firmware upgrade process. Just you need to follow some steps and after that your modem will be unlocked forever, and after the unlock of your Huawei E303 MTN Uganda modem you can use your modem all over the world with any another network provider sim.
Huawei E303S 3G USB 72 Mbps Speed Datacard Modem HI-Link Web-UI
Huawei E303 MTN Uganda Modem Dongle

How to unlock E303 MTN Uganda Huawei Customised Firmware Modem :


  1. Download the unlocked firmware for your Huawei E303 Customized Firmware Modem from the download link which is provided at the end of the article.
  2. Now disconnect from the internet and close the default dashboard of your modem.
  3. Now run universal master code software and go to huawei tab.
  4. Enter your 15 digit IMEI of your Huawei E303 MTN Uganda dongle and generate the flash code.
  5. Now run the firmware upgrade software of Huawei E303 MTN Uganda modem.
  6. Now when firmware asks for password then provide 8 digit unlock code and wait till finish the process.
  7. Now run the Huawei Modem Code writer software and detect the com port of your modem.
  8. Now when asks for 8 digit unlock code / password, then provide and click on OK.
  9. Now your modem is unlocked forever to use any another network provider sim.


Note : Don’t use 8 digit unlock code generated by the universal master code software. Huawei E303 MTN Uganda modem is of new algo code and your  E303 MTN Uganda modem will be locked permanently. Either purchase from any server or contact kamlesh2011@gmail.com for unlock code in cheap rates only 1.50$.
(firmware version E303SUpdate_21.
Download Huawei Modem Code Writer Software
Download Universal Master Code Software

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