Hackers have found a way to enable the hidden ability in iOS 5 to make FaceTime calls over a 3G network. A guide is now available online for those who want to toggle it on.
By default, Apple’s iOS doesn’t allow users to place and / or receive FaceTime calls over any type of connection other than WiFi. But code tinkerers have now found a way to enable 3G support as well.
Unlike other hidden features that can be unlocked with a few steps, this one requires a jailbreak. Also note that it’s limited to the iPhone 4.
is ready for those of you craving to make FaceTime calls over 3G, with instructions on what to download and what files to modify to enable the ability.