> after all, there is no way to turn of 3G in the settings There is on my 4S running iOS6 (and I'm sure it was there on my old 3GS...) :- Settings > General >

> after all, there is no way to turn of 3G in the settings There is on my 4S running iOS6 (and I'm sure it was there on my old 3GS...) :- Settings > General > Mobile > Enable 3G (toggle switch)