free NetGear AirCard 779s unlock network lock successfully 

Step 1

Make sure no sim is inside device before proceeding to detect/unlock steps.

Connect device to PC vvia usb and install everything that comes in it’s drive.

Launch DC-Unlocker client

Step 2

Detect device by selecting SierraWireless/NETGEAR from manufacturers drop down menu list, leave Select model as auto detect (recommended) then click magnifying glass button

Step 3

Wait till program detects device

Step 4

Open Server tab, enter your username and password that you received after the credits purchase. Click “Check login”. (you can buy credits here www.dc-unlocker.com/buy).

If DC-Unlocker/Vygis/Rocker/Infinity dongle is connected, only click ” Check login ”

Note: if you can’t login or get error connecting to server after connecting Sierra Wireless AC779s to PC, check these settings here

Step 5

Open Unlocking tab, click “Unlock” button

Step 6

Wait for the device to be unlocked

After you see that modem was successfully unlocked, restart it by disconnecting and connecting back. Now you can use it with any SIM card.