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Dario Bertini
Guest
i have been using my 8GB Iphone for about a year now, but i just got the 32 GB Iphone 3GS & I am selling my old iphone to a friend of mine, however i am not sure what cellular network they are on and i am wondering if it will make their SIM card incompatible with my old iphone. also i am living in australia and the iphone was purchased from a local phone dealer in australia if that makes things any different?