SGH-T989 Phone is successfully unlocked..
 

Welcome to Octoplus/Octopus Box Samsung software version 2.0.3
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To connect SGH-T989 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. Press Home button.
9. Go to dial window.
10. Enter "*#9090#" number.
11. Set "Diag config" to "USB" value.
12. Restart phone.
13. Press "Read Info" in software.
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Platform: Samsung Android
Selected port: COM1
Selected model: SGH-T989
Phone was not found on the selected port!
Searching for USB diagnostic port...
Connecting to phone on COM30
Mode: Normal
Phone model: AAABQOCZ
Phone model is not supported
Phone connection failed
Connecting to phone on COM28
Mode: Normal
Phone model: SGH-T989
Firmware compiled date: Jun 19 2012
Firmware compiled time: 23:00:00
Firmware released date: Jan 14 2013
Firmware released time: 19:22:01
Phone IMEI: 359858-04-XXXXXX-X
SW version: M9200B-SCAQCSZD-3.4.701096
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Platform: Samsung Android
Selected port: COM28
Selected model: SGH-T989
Mode: Normal
Phone model: SGH-T989
Firmware compiled date: Jun 19 2012
Firmware compiled time: 23:00:00
Firmware released date: Jan 14 2013
Firmware released time: 19:22:01
Phone IMEI: 359858-04-XXXXXX-X
SW version: M9200B-SCAQCSZD-3.4.701096
Unlocking phone...
Phone is successfully unlocked
To finish the operation, please restart the phone via phone's menu.