Some reliable people have spotted quad-core processor support into the iOS 5.1 beta code, which is A6 chips.
A few months ago other skilful developers discovered the iPhone5,1 reference into the first iOS 5.1 beta code. It might turn out Apple is indeed gearing the next iPhone with a quad-core A6 chip.
So iPhone user, are you happy that coming iPhone 5 or iPad 3 will be running A6 chips?
[SOURCE]