I747M 4.4.2 unlock done no need root Done with Samsung Tool PRO v.21.6

UNLOCK INSTRUCTIONS:

Micro-USB cable:
1. Phone must be powered on.
2. Type *#0808# and select 'DM+MODEM+ADB'.
3. no need
4. Reboot phone.
5. Connect USB cable, install drivers if needed.
6. Select Samsung diagnostic port in port settings.
7. Press 'Unlock' button for direct unlock.

Operation: Unlock
Selected model: SGH-I747M
Selected port: COM41 SAMSUNG Mobile USB Serial Port ,
Software version: 21.6

Reading phone info...
Reading IMEI... OK
IMEI: 3533230
Reading security... new type
Bypassing... OK
Unlocking... OK
Reseting... OK
Unlock done

Done with Samsung Tool PRO v.21.6