Need help unlocking my Nokia 6510

[Mrad1671]

I have a nokia 6590 and i used it on an at&t network. I would liek to switch it to T-Mobile. would anyone be able to provide me with a code to unlock my phone? Also can someone tell me how to do it?

Thanks

the IMEI:010114/50/055851/2
service code: 31038


I have no idea how to do any of this, any help would be really great.

[gsm community]

6510?

sorry 6510 is gsm 900/1800 only.

you mean 6590?

please post imei

network code should be 31038

and I would like to calculate you code

[gsm community]

#pw+283945517151341+1#
#pw+949862576730767+2#
#pw+097163722553360+3#
#pw+739540661747545+4#
#pw+938212364634313+5#
#pw+899001627752305+6#
#pw+493337220115136+7#

please try only code 1 and post results

if code error, don't try another.