How to unlock Novatel 4620L MiFi WiFi Free?
1. Download the firmware and drivers from the link which is available at the end of the article.
2. Extract files in your computer and you will get two files. One for firmware and one is of drivers.
3. Now connect your WiFi MiFi 4620L with the help of USB to PC and close all the running application.
4. Now launch “DUU_Verizon_Mifi4510L_FW2.28.02.exe” from the extracted folder.
5. Now firmware upgrade will give you warning, Read the warning and click “OK”.
6. You will see Device info and Upgrade info. Click “Next”.
7. Now read the agreement and click on “I agree” and proceed to next step.
8. Update Wizard will start to upgrade modem firmware. Click “Next” and wait till finish.
9. Now a few minutes after you will see finish button. Finish and now you have successfully flashed your Novatel MiFi 4620L firmware.
10. Now purchase the DC unlocker credits to unlock your Novatel MiFi 4620L router.