The worst part is that ios always has the most pressed button, back, in the top left corner - the most unreachable position. What apple has to do is just put a

The worst part is that ios always has the most pressed button, back, in the top left corner - the most unreachable position. What apple has to do is just put a physical back button on the side of the phone for your thumb and 50% of all reachability issues are solved.