Huawei's new Mate 20 Pro is one of the firm's first devices to use an in-screen fingerprint sensor.Huawei's new Mate 20 Pro & Mate 20 RS use a 10 level dynamic pressure sensor that unlocks the phone once the user applies a slight amount of pressure on the display.They also feature a floating touch technology, so your device is able to detect your finger even when it is slightly above the screen.