I have two iPhone 4s here, but one of them won't show the "Facetime" toggle under Settings>Phone. Anybody have any idea what is causing this?
Fixed:
I got it to work, and here's how:
After getting the call escalated, we worked through some things. Turns out when doing a restore in iTunes, you let it do its thing and when it comes up to the point where you can set it up as a new iPhone or from a previous backup, you disconnect the iPhone without selecting any of those options (it should be activated at that point). Bingo.
It was the backup causing a problem (from a non-jailbroken iOS 4.0 3GS). So now I gotta restore stuff by hand, but I'm fine with that as I wanted to do that in the first place!
Hope this helps.
Ian