unlock my SonY Ericsson

With Nokia Free Unlock Codes Calculator i filled in my Imei number and got on internet the lock and unlock code.
I have put the simcard out of my telephone but cannot do anything than to put in that codes, what do I have to do to unlock my telephone than
who can help me,

greetings,

ida

i dunno, but i have a sneaky suspicion that nokia codes calculator is maybe for nokia phones and not sony ericsson phones :-?

that right -----He He-----
sony ericsson unlock via cable only