https://www.techradar.com/news/xiaomi-shows-off-under-display-smartphone-camera-challenging-oppo

Smartphone manufacturers are always testing out new placements for front-facing cameras, from the ever-shrinking notch to pop-up, 'punch-hole' and side-mounted snappers, and it seems a sudden race to create 'under display' cameras has just popped up.

After Oppo tweeted a video of its own under display camera tech, Xiaomi has 'fired back' in a way by releasing a video of its own, more advanced looking, under display snapper.