iPhone 6S : iOS 11 Final vs iOS Speed / Performance / Benchmark Test

Today Apple released iOS 11 to the world. It comes with Build # 15A372 so it is the same version that was released to developers right after the September 12th Event. I have been running it on my iPhone 7 Plus since it was released, and it runs very nice. But what about older devices that is also supported by iOS 11, how do they run. So in this video I will compare one of the older devices, like the 5S, the 6, the 6S and iPad Air / Air 2 to see how it holds up against iOS . Note that the footage in t