I think a lot of people thought that the larger screens available in each generation after the 5S were a must-have hardware feature. The camera has improved a

I think a lot of people thought that the larger screens available in each generation after the 5S were a must-have hardware feature. The camera has improved a lot since then, too. The 5S didn't have 802.11ac. The 6S was the first iPhone with more than 1gb of RAM, I believe. edit: originally this comment said that the 5S lacked bluetooth LE, but I think my source was incorrect about that.