When I bought the Nokia 2780 Flip—a bare-bones device frequently recommended by “dumb phone” devotees—I wanted it to be bad. Ideally, it would be clunky to hold, tediously slow, and devoid of the kind ...

With enough force, almost every phone can fold in half – not even the best phones on sale are immune from brute strength. But only a few can do it without suffering terminal damage. From retro ...