Novatel mifi4620L detect and unlock guide

Download firmware update

Extract files in your computer and launch "DUU_Verizon_Mifi4510L_FW2.28.02.exe"

Firmware update wizard

Read the warning and click "OK"

Firmware update wizard

You will see Device info and Upgrade info. Click "Next".

click next

Read "Licence agreement", select "I agree", click "Next".

Licence agreement

Wizard will start to upgrade modem firwmare. Wait till it finishes, click "Next".

start to upgrade modem firwmare

You will see that device upgrade was successful, click "Finish".

upgrade was successful

Launch DC-Unlocker client software.

Launch DC-unlocker

Open Server tab, enter your username and password that you received after credits purchase. Click "Check login". (you can buy credits here
If DC-Unlocker/Vygis/Rocker/Infinity dongle is connected, do not enter username and password, only click "Check login".

Check login

Select manufacturer: Novatel, model leave Auto detect (recommended).
Press "Detect" button (Big magnifying glass).

Select Novatel and auto detect

Wait till DC-Unlocker fully detects modem.

Modem is fully detected

Open Unlocking tab, click "Unlock".

Press unlock in unlocking tab

Wait till you see a message that modem is unlocked.

Huawei e1550 unlocked

After you see that unlock is successful, restart modem.