How to unlock customized firmware of Huawei E219 USB modem?
1. Download both software from the link which is provided at the end of the article.
2. Run the universal master code software and go to the Huawei tab.
3. Now put your IMEI of your Huawei modem and click on calculate button to generate the unlock code and flash code for your IMEI.
4. Note down both and close the dashboard/software of your modem (if already running).
5. Run the downloaded firmware and it will ask you for the password.
6. Input the flash code as password and wait till the process gets finished.
7. Now eject the modem and change the default SIM card with any another network provider.
8. Again connect the E219 modem to computer/laptop and it should ask for unlock code.
9. Input the unlock code and click OK.
Once the Huawei E219 accepts then code, it is unlocked. Create a new profile and connect to the internet.
Download unlocking firmware of Huawei E219 modem