T989D 4.04 ICS unlock Done!!![REFERENCE]
To connect SGH-T989D phone you have to perform the following
steps:
1. Disconnect USB cable from phone.
2. Go to Menu->Settings->Applications->Development.
3. Turn on "USB Debugging" option.
4. When message is appear press "Yes".
5. Go to dial window.
6. Enter "*#7284#" number.
7. Set "USB" radio button to "Modem" value.
8. Close window.
9. Go to dial window.
10. Enter "*#9090#" number.
11. Set "Diag config" to "USB" value.
12. Restart phone.
13. Press "Read Info" in Octopus Samsung software.
sundin lang po yan tapos,
click UNLOCK

Platform: Samsung Android
Selected port: COM25
Selected model: SGH-T989
Mode: Normal
Phone model: SGH-T989
Phone IMEI: 359606-04-094075-2
SW Version: T989DTLLG2/T989DKDOLG2
HW Version: REV0.1
Unlocking phone...
Switching to emergency mode...
Phone found
Deactivating MSL...
MSL deactivate successfully
Disconect phone and type *#9090# select USB mode.
Type *#7284# and select Modem.
Reboot phone and connect switched On phone to USB cable.
Searching for a phone. Please wait...
Incorrect IMEI
SW Version: T989DTLLG2/none
HW Version: None
Found phone on COM25
Phone is successfully unlocked
kung mapapansin niyo incorrect imei siya, check unit ang imei niya ay naging 0 imei
wag mangamba dahil repairable naman siya
just click IMEI FIX
Platform: Samsung Android
Selected port: COM25
Selected model: SGH-T989
Mode: Normal
Phone model: SGH-T989
SW Version: T989DTLLG2/T989DKDOLG2
HW Version: None
Old IMEI: Unknown
New IMEI: 359606-04-094075-2
Repairing IMEI ...
New IMEI successfully written.
Please, restart the phone to apply changes

and you're done
To connect SGH-T989D phone you have to perform the following
steps:
1. Disconnect USB cable from phone.
2. Go to Menu->Settings->Applications->Development.
3. Turn on "USB Debugging" option.
4. When message is appear press "Yes".
5. Go to dial window.
6. Enter "*#7284#" number.
7. Set "USB" radio button to "Modem" value.
8. Close window.
9. Go to dial window.
10. Enter "*#9090#" number.
11. Set "Diag config" to "USB" value.
12. Restart phone.
13. Press "Read Info" in Octopus Samsung software.
sundin lang po yan tapos,
click UNLOCK
Platform: Samsung Android
Selected port: COM25
Selected model: SGH-T989
Mode: Normal
Phone model: SGH-T989
Phone IMEI: 359606-04-094075-2
SW Version: T989DTLLG2/T989DKDOLG2
HW Version: REV0.1
Unlocking phone...
Switching to emergency mode...
Phone found
Deactivating MSL...
MSL deactivate successfully
Disconect phone and type *#9090# select USB mode.
Type *#7284# and select Modem.
Reboot phone and connect switched On phone to USB cable.
Searching for a phone. Please wait...
Incorrect IMEI
SW Version: T989DTLLG2/none
HW Version: None
Found phone on COM25
Phone is successfully unlocked
kung mapapansin niyo incorrect imei siya, check unit ang imei niya ay naging 0 imei
wag mangamba dahil repairable naman siya
just click IMEI FIX
Platform: Samsung Android
Selected port: COM25
Selected model: SGH-T989
Mode: Normal
Phone model: SGH-T989
SW Version: T989DTLLG2/T989DKDOLG2
HW Version: None
Old IMEI: Unknown
New IMEI: 359606-04-094075-2
Repairing IMEI ...
New IMEI successfully written.
Please, restart the phone to apply changes
and you're done