[97vrsix]

well, if it's 3G then it won't unlock. If 2G it will unlock! So you have not given much info, so I'll try to answer.
You have a iPhone you bought on contract? And you ha e valid service in aus?
You can still run the program. But again depending what you have and what your try to do it may or may not work. This is made to unlock for use onnother carriers! But you don't have to unlock it! That is an option! If you want to run cydir you can! Just check that off in winpwn and your set'