Once a prop for the communicating devices in sci-fi flicks, today the edge-to-edge screen has become a must-have feature for any flagship smartphone. It was Xiaomi who made the first steps in this direction back with their original Mi Mix phone a year before Apple came up with their notched iPhone X. The Mi Mix 3 proves once again that nothing is impossible and delivers a truly bezel-less screen with a twist (or rather, with a slide).