Unlock 6310i plz!

[gopal]

HI. Could someone help me with unlocking a nokia 6310i.

It asks me for a restriction code when i try to use an O2 (UK) sim card on an Orange (UK) blocked phone.
The imei no. is : 351457206720952
Thanks!

[bobarmstrong]

IMEI: 351457206720952
MCC+MNC: 23433
TYPE: UEM2 - TYPE2
#pw+229465745776066+1#
#pw+953912571171012+2#
#pw+747130162573137+3#
#pw+904152024273656+4#
#pw+727300641555501+5#
#pw+185254105364357+6#
#pw+124344647245144+7#