n95 sim card registration failed

[freestyler2972]

im on my old contract fone that i dint pay the bill for and now it says"nsim card registration failed"does anyone have any ideas as to how i can get around thisand be able to use my o2 ismcard in it,any reply that can be helpful wud b GRATEFULLY APPRECIATED,iam currently ona motorola f3,omg DONT bothre lookin at that fone cos its TOTAL(i wont swear but yeah its a total handjive.lol,so if anyone can help me PLEZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZ do so,i dont have no tools to do it wioth i.e blackbox and the other stuff,but heard u can do it just by data cable is this true??,so any fone geeks(NO im not calling u geeks in a badway,cos i WISH I WAS A A GEEK,then iwunt have to ask u lot,lol.please can u mail me or add me to MSN my addy is [email protected],put on the join thing that its to help me undo my fone,mthanx infront if anyone can help n cheers