I've got an iPhone V1 and I'm using V2.0 firmware, I'm using my Vodafone sim in it without any problems.
There is just one annoying thing that I haven't worked out, how do you set up the voicemail number (in the case of Vodafone it's 121) so you can just press the voicemail icon on the bottom right when you are in the phone menu.
There is just one annoying thing that I haven't worked out, how do you set up the voicemail number (in the case of Vodafone it's 121) so you can just press the voicemail icon on the bottom right when you are in the phone menu.