I have and iPhone 3G from Australia and I am now in New Zealand. I have used redsn0w and had it say it was downloading jailbreak data but seems to freeze up and later when I try to use it it always says that I have the wrong SIM. I am new to this and really need to get some advice please. What do I do? I uninstalled iTunes and reinstalled 3.0 as suggested here but still the same deal.