Unlocking of  Huawei Aircel E303S Modem is easy and simple. Aircel, Airtel, Vodafone, Idea, Tata Docomo and Reliance company keeps launching new modems in India of Huawei, ZTE and Micromax company with customized firmware. These modems  is of less price because it remains locked to a particular network provider, means – if one have purchased modem of Aircel then he can use any other network provider SIM like – Airtel, Vodafone, Tata Docomo, Idea, Reliance etc. Aircel has recently launched Huawei Aircel modem E303 S, with Hi-Silicon processor and unlocking is very simple. This modem IMEI is of 86 series of new algo and its download speed is 7.2 MBPS and upload speed is 5.76 Mbps. When you will open the modem you will find e173z-1A written in aircel e303S Huawei modem. There is no need to flash Aircel E303S modem with any firmware, you can simply unlock Huawei Aircel E303S modem with my guide and enjoy another sim on it.

How to unlock Huawei Aircel E173Z-1A or E303S Modem :

  1. Insert your Huawei Aircel E303S USB 3G Modem into laptop / computer with default sim.
  2. Let it install all the drivers which is required to detect the modem.
  3. After that disconnect the internet and close the dashboard if it is already running.
  4. Now remove the aircel sim and put some another sim in the modem (other than aircel).
  5. Now again connect your Aircel E303S Huawei modem to your computer / laptop and let it open dashboard.
  6. Now its will ask you for password / unlock code.
Aircel E303s Unlock
8. Provide the correct unlock code for your IMEI no. of 86 series (don’t use unlock code of 35 series, you can get in cheap rates at here) and click on ok.
Aircel E303 Unlock
Now your modem is unlocked for ever. Enjoy!!!
Note : If above mentioned steps does not ask you for unlock code then use this dashboard and its will ask you for unlock code. Just provide unlock code and your modem will be unlocked forever.

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.

Update : Don’t put any wrong code into your modem, otherwise Aircel E303s Huawei will be locked permanently. Either purchase from any server or mail me in kamlesh2011@gmail.com for unlock code in Only Rs. 60/- for Indian people and 1.50$ for international people.

You can download official unlocked firmware of Huawei E303 Aicel modem from here.