man, your detailed instructions totally worked!.you're my hero!

my 1.0.2 iphone is usable with my t-mobile sim. now i have a question... with my blackberry pearl, my service says edge. when i insert my sim into my iphone, and hit the safari browser, it say "edge required. you have not subscribed to edge" or something similar. why is that? is there a setting i can change to be able to use everything on my iphone?
thanks
-avi-