1. Phone must be powered on.
2. Type *#7284# and choose Modem for USB and PDA for UART options.
3. Type *#9090# and choose HS-USB.
4. Reboot phone.
5. Connect USB cable, install drivers if needed.
6. Select diagnostic port in port settings.
7. Press 'Unlock' button for direct unlock or 'Read codes' to read security codes.
Operation: Unlock
Selected model: SGH-I717
Selected port: COM219 SAMSUNG Mobile USB Serial Port ,
Software version: 20.0
Reading phone info...
Reading IMEI... OK
IMEI: 0
Reading security... error
Detected new type of security
Bypassing... OK
Unlocking... OK
Reseting... OK
Unlock done
Done with Samsung Tool v.21.3
2. Type *#7284# and choose Modem for USB and PDA for UART options.
3. Type *#9090# and choose HS-USB.
4. Reboot phone.
5. Connect USB cable, install drivers if needed.
6. Select diagnostic port in port settings.
7. Press 'Unlock' button for direct unlock or 'Read codes' to read security codes.
Operation: Unlock
Selected model: SGH-I717
Selected port: COM219 SAMSUNG Mobile USB Serial Port ,
Software version: 20.0
Reading phone info...
Reading IMEI... OK
IMEI: 0
Reading security... error
Detected new type of security
Bypassing... OK
Unlocking... OK
Reseting... OK
Unlock done
Done with Samsung Tool v.21.3