Insert unsupported operator SIM card in router, means if it's locked to operator "A" then insert operator's "B" SIM card. Connect B593 router to pc via LAN cable and wait for computer to recognize it. Make sure router is not connected to internet
Launch DC-Unlocker client
Open Server tab, enter your username and password that you received after 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 ".
Detect device by selecting Huawei modems from manufacturer's drop down menu list, then click magnifying glass button. Wait till program detects it.
If you get "modem not found" error, check this procedure. Also make sure to wait before detection for device to check it's functions (Blinking icons on router's front side).
Note: Device can be detected only by certain IP addresses like 192.168.2.1, 192.168.1.1, 192.168.0.1 etc., make sure one that belongs to your router is not occupied
Open Unlocking tab, click “Unlock” button, wait for device to be unlocked.