Many of us are perfectly happy with the fingerprint scanner positioned on the back of our phones — where there's plenty of room even as bezels on the front shrink. However, under-display sensors continue to be heralded as the next great innovation in mobile tech. Vivo has shown everyone else what's possible and other OEMs are sure to follow suit, hoping that the wow-factor alone will move consumers to get on board.

It wouldn't be a surprise to hear that any Android manufacturer is working on a device with an in-display sensor, and that's exactly what we're hearing about HMD Global, the maker of Nokia-branded handsets.

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