Ever since iOS 5.1 was released last week, we started looking for new features that would have been quietly added to the iPhone or iPad. Two major ones were quickly found, both related to the data settings of your iPhone.
The first one unofficially turns your AT&T iPhone 4S into a 4G device, and the second one brings back the 3G toggle in the settings of your iPhone, assuming you are not using AT&T.
And now, a subtle new feature has surfaced to...