Sad to see they still have the cranked noise reduction, which really ruins faces. If you look at the enlarged portait pics and compare the 4s and 6s you'll see

Sad to see they still have the cranked noise reduction, which really ruins faces. If you look at the enlarged portait pics and compare the 4s and 6s you'll see what I mean: the 4s has details in the skin, the 6s has a near-impressionist blurred mess.