Huawei Mate 8 - Manual (Page 61)

Getting to know your phone
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Swipe left on the notification panel to go to the shortcuts tab.
You can edit the shortcuts tab. Swipe up on the shortcuts tab, and then touch Edit
to display all the shortcuts. Drag the shortcut icons to the desired location to
rearrange their layout.
Viewing notifications on the lock screen
You can view new notifications (such as missed calls and messages) on the lock screen.
Touch to view notification details
Swipe left or right to dismiss
notifications
Clear all notifications
Shortcut switches
Adjust screen brightness