Huawei Mate 8 - Manual (Page 6)

Locking and unlocking the screen
Press the power button to lock
the screen. If your phone is idle for
a specified period of time, the
screen will automatically lock
itself.
If the screen is off, press the
power button to turn it on. Slide
your finger in any direction to
unlock the screen.
Swipe up from the bottom of the
screen to open the control panel
for magazine unlock. You can also
quickly launch commonly used
applications without unlocking
the screen.