but 440.58 pixels per inch on a 5"-inch full HD smartphone screen. In other words, how many pixels per inch depends on the size and resolution of the screen you're talking about, so we'll have to ...

Xiaomi had launched the Xiaomi MIX 4 as the very first commercially-selling smartphone from the company with an under-display. Its resolution was 20MP. With the new tech, Xiaomi is planning to ...