How to unlock MTN / Aircel / Etisalat / Vodacom E303 Modem?
1. Very first, download the original unbranded Huawei Mobile Partner software from the link provided at the end of the article.
2. After that, you need the Huawei New Algo Unlock code, which you can purchase from any server or get from here at a cheap rate.
3. After getting the unlock code close the default software of the dongle.
4. Uninstall branded software that has come with your data card and install downloaded Huawei Mobile Partner you have earlier downloaded.
5. Now disconnect the internet and close the dashboard and eject the modem from the PC.
6. Now, change the SIM (other carrier’s SIM card) and again connect your modem to the computer/laptop.
7. Now, it will ask you for an unlock code.
8. Provide the unlock code on your modem, and it will be permanently unlocked.
9. Now, you can use any another network provider sim in your modem after creating a new profile.
Note: If by any means your modem does not prompt for unlock code, then still you can unlock your modem using the Huawei Modem Code writer tool.