Xiaomi has revealed the new Mi Mix 4 smartphone, which hides away an under-display 20-megapixel selfie-camera within the 6.67-inch 2400 x 1080p display.

The new flagship, which is a Chinese exclusive initially, tucks the camera away the some display pixels, making it almost indiscernible at first glance. The new tech also enables Xiaomi to achieve a virtually full screen display, which is also compatible with Dolby Vision and has a 120Hz refresh rate.
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