Huawei P9 Lite - Manual (Page 182)

Settings
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• Press and hold the power button, and then touch Airplane mode.
• Open Settings, and then turn on the Airplane mode switch.
When airplane mode is on, is displayed in the status bar.
Using the floating dock
The floating dock gives you access to a number of frequently-used options and features,
such as the back key, home key, and one-touch optimization. You can move the floating
dock around the screen for easy one-hand use.
Open Settings. Touch Smart assistance > Floating dock and then turn on the Floating
dock switch.
Once enabled, the floating dock button ( ) will be shown on all screens except the
lock screen and notification panel. Touch to expand the floating dock menu.