The iPhone 6S is on top, it's pretty easy to tell. Andrew Cunningham The iPhone 7 (left) next to an iPhone 6S (right). Andrew Cunningham iPhone 7 on the left, 6S on the right. The less-visible antenna lines, larger camera lens and bump, and the lack of a headphone jack give the 7 away. iPhone 6 on top, 7 underneath. The silver, gold, and rose gold...