Huawei B683 modem detect and unclock guide for windows XP

Video tutorial

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 www.dc-unlocker.com/buy)
If DC-Unlocker/Vygis/Rocker/Infinity dongle is connected, do not enter username and password, only click "Check login".

Check login

Select manufacturer: Huawei modems, 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

If you get "modem not found" error, check this procedure You might need to turn off firewall and User Account Control (UAC). Step-by-step procedure

Open Unlocking tab, click

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