As quoted from Gizmochina, iris scanners at Mi 6 is located between selfie camera and earpiece. With the iris scanner, the user can unlock the screen Mi 6.
At the bottom of the screen, you have a panel, like the Home button. The panel noted that undue physical buttons, but can be lowered, so that the button works like a capacitive button. Allegedly, this is the home panel ultrasonic fingerprint sensor.
On the right and left side of the Home panel also looks capacitive buttons on Xiaomi mobile phones to function as a sign of the recent back and menu.
6 armed Mi Snapdragon 835 chipset is expected to pitch next week in China. Mi 6 also seems to be present in two variants, which differ in terms of size as well as a front camera.