it looks like i can not unlock and jail break my 3g iphone as it has version 4.2.1 model firmwear 05.15.04 locked to vodaphone

from looking on net cant jailbreak and then unlock as there incompatable and i have to wait for a newer update on snow or one of the other

ps i have pc not mac

hope this is all the info you need any help recived with thanks

angel