unit : Samsung Galaxy S3 sgh-I747M
problem :need to unlock
Procedure
1. Phone must be powered on.
2. Type *#7284# and choose Modem for UART and PDA for USB options.
3. Press "Quallcomm USB settings" and select "DM+MODEM+ADB".
4. Connect the phone to UART port.
5. Select right model
6. Choose correct COM port in port settings
7. Press "Read codes" button.
8. enter net lock code
Finish
