Originally Posted by
st3v3
hmmm how can i tell if i have a 2g or 3g phone to be sure of which files to download to jailbreak it?
It'll say "iPhone 3G" on it

No, actually it won't
This is an iPhone 3G;
Difference (to look at) is the 3G has a black plastic curved back, instead of a flat, satin aluminium back the 2G has