SGH-T959 T-mobile direct unlock to Octopus!!!!!!!!!![Reference]
SGH-T959 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. Connect usb cable to phone.
6. Press "Read Info" in Octopus Samsung software.
7. Press Unlock
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. Connect usb cable to phone.
6. Press "Read Info" in Octopus Samsung software.
7. Press Unlock