If you're among the teeming masses holding a brand new iPhone 4S in your hands, you may be surprised (as we were) to find there's something conspicuously absent from the Network Settings menu on your new device: specifically the ability to manually shut off 3G data. After receiving word, and a screenshot, from a helpful tipster, rocking a 4S on Vodafone's network, we found the same option missing from our own AT&T iteration. Of course this isn't the sort of thing that's likely to have an impact on most users, but if you're the type that likes
