Help Unlock 700i

I have a tmobile sony ericsson k700i. anyone can help in assisting me to unlock this model.

This is a really old phone which i've got, you will need a T28 service cable or cruiser cable etc and software, there's lots of software just search on google for it.

software name is
usbsmart 3.3
or
the old setool
usbsmart 3.3 reads unlock codes, but you need service cable for that

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