So much of the new stuff we're seeing in smartphones is focused on screens right now: new notch styles, embedded fingerprint scanners, and even screens that fold. Two years ago, one of the furthest-reaching changes in screen design got off the ground at MWC with the introduction of the LG G6 and its 18:9 aspect ratio panel, noticeable taller (or wider, depending on how you're holding it) than the 16:9 displays that had dominated phones to date. Now Sony's ready to introduce the next chapter in this saga, with the launch of three Xperia phones featuring 21:9 screens.

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