pay as you go sim card in thanx? hello i have purchased a nokia n96 16gb from a well know store . they gave me the phone and i signed an 18 month contract. bu did not activate my sim card but instead said i have to bring the phone back.i all so paid a large deposit wich they said i will have to claim back in writing but i want to kep the phone. can i put a pay as you go sim in it and will it work fine. thank you for the help