If you keep in mind back, when you solve down to it, so long as they've benefited from the new upgrades along the method, all iPhone owners run the same os. That means that from a basic software application viewpoint, whatever is precisely the same across the board. What changed in the 3G from the initial was a faster network, a somewhat much better cam and GPS. From the 3G to the 3GS came a compass, a video electronic camera, a bigger RAM and voice controls.<br> <br> <br> <br> <br> <br> <br> <br> <br> <br> <br>