The Xiaomi Mi Mix 4 offers a pretty unusual design and the same in several respects. Because Xiaomi relies on a selfie camera integrated invisibly into the display with a resolution of 20 megapixels, the screen can do without a notch or punch hole. A reasonably large camera module dominates the back. Probably the most unusual feature of the case is the choice of material – unlike most competitors, the Mi Mix 4 is not made of aluminum or glass, but of ceramic, which should not only make the device extremely scratch-resistant, according to Xiaomi, the weight of the case could be reduced by a remarkable 30 percent. A lightweight is the 8 millimeters thin Mi Mix 4 with 225 grams but still not. The Xiaomi Mi Mix 4 is equipped with a 5G modem and 19 antennas. A total of 42 frequency bands are supported. A UWB chip is also included. At the heart of the Xiaomi Mi Mix 4 is the 6.67-inch AMOLED display with a resolution of 2,400 x 1,080 pixels with a frame rate of 120 Hz, a touch sampling rate of 480 Hz, support