[nobichanmaruf]

UNLOCK INSTRUCTIONS:
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 for direct unlock or 'Read codes' to read security codes.
USB cable:
1. Phone must be powered on.
2. Type *#7284# and choose phone USB.
3. Type *#197328640#, select: Common - Diag Config - USB diag.
4. Reboot phone.
5. Connect USB cable, install drivers.
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: GT-S5830D
Selected port: COM38 SAMSUNG Android USB Diagnostic Serial Port (WDM)
Software version: 33.2

Checking phone at COM38
Reading phone info... OK
Model:
Country code:
Cal date:
Factory SW:
Unique number:
Memory phone:
Phone SN: RQDBB87095
PDA/CSC version: S5830DTLKI4/S5830DTLSKI4
Phone version: S5830DTLKI4
Phone HW: REV1.0
Cal date: 2011.11.16
Reading IMEI... OK
IMEI: 359079040801152
Unlocking... OK
Reseting... OK
Unlock done

Done with Samsung Tool PRO v.33.2