Apple unveiled the iPhone 6 back in 2014, and it has stuck with the same basic design since then. The internal components have improved with every iteration, the screen became pressure-sensitive with 3D Touch, the home button morphed into the recessed TouchID, and we lost the headphone jack along the way. But every iPhone since the iPhone 6 has almost identical dimensions and a very similar look.
The iPhone 8 is a fraction bigger than its predecessors, but close enough that iPhone 7 cases fit perfectly. The big change is that the aluminum back has given way to glass, making it slightly heavier in hand – 10 grams heavier to be precise. We’re told that it’s the most durable glass ever, but iPhone 8 cases are advisable to avoid expensive repairs.