1. Power on the phone.
2. Type *#0808# and select "DM+MODEM+ADB".
3. Type *#9090# and select "DM/DUN over HSIC".
   Or use "Activate Diag" function from "Repair" tab.
4. Connect phone to PC with USB cable, install drivers if needed.
5. Select diagnostic port in port settings.
5. Press "Unlock" button for direct unlock or "Read codes" to read security codes.