How to unlock Idea Huawei E303Ds-1?
1. Download the firmware and Huawei modem Unlocker software from the link provided in the article.
2. Connect the dongle to the PC and close the Idea-branded software.
3. Run the “Universal Master Calculator” software, put your IMEI in the Huawei tab, and generate the flash code.
4. Note down the flash code and now run firmware 21.157.13.00.910, which you have downloaded.
5. Accept terms and conditions and proceed to the next step.
6. Now, it will ask you for a password.
7. Use the flash code you have generated for your IMEI and proceed to the next step.
8. After a few minutes, your modem will be flashed with the new firmware.
9. Now put another company SIM in your modem.
10. Connect to PC.
11. It should open the dashboard and ask you for an unlock code. You can also use the “Unlocking Tool.”
12. Enter the code, and it will be unlocked forever.
Download e303-firmware v21.157.13.00.910
Download Huawei Modem Unlocker
You can download Idea Netsetter E303D Huawei modem original firmware E303DUpdate21.157.71.02.356 to repair the damaged modem.
Update: This solution does not work with Idea E303.