Samsung galaxy note II network locked problem.

micro-uart cable:
1. Phone must be powered on.
2. Connect the phone to UART port.
3. Choose correct COM port in port settings.
4. Press "Unlock" button.
micro-USB cable:
1. Phone must be powered on.
2. Type *#7284# and choose Modem for both options.
3. Type *#9090# and choose USB Diag.
4. Reboot phone.
5. Connect USB cable, install drivers.
6. Select diagnostic port in port settings.
7. Press "Unlock" button.