newbie help please

[bradward]

hiya folks got a iphone 3g orignally on 02 contract but tried putting other sims in it and noticed no signal but now i have put a payasyougo o2 sim in and still no signal so i thought id update to 2.1 firmware and then jailbroke it using quickpwn and i got instaler and cydia but still got no signal is there something i got to do ive oticed i get at please activate box this may take a while

can anyone help please

[reeko]

when it asks you to activate? click no, then you should be good to go. the o2 payg sim will activate itself in itunes.