sucessfully unlock samsung t-989d

Unlock Instructions:
USB UNLOCK Special Instructions:

1: First go to Menu - Settings-> Applications-> Development - ( switch on ) USB debugging ON (only for Android phones, not for windows mobile)

2: Type *#7284# then choose USB > Modem (or USB > Phone)

3: Type *#9090# then choose option 1 (USB_DIAG) (if available)

4: Switch off the phone and power on with unaccepted card.

5: Connect Phone and Install drivers

6: Press Direct Unlock to reset all locks