Huawei P20 User Manual page 17

Connect Your Phone to an External Display for PC-Like Functionality
When you connect your Phone to an external display, it behaves like a computer, so you no longer
need to lug your laptop back and forth between the office and home. Simply use an adapter (such as
a USB Type-C to HDMI adapter cable) to connect your Phone to a display device, such as a PC monitor
or projector. You can then combine all the benefits of a desktop computer, with the convenience of a
mobile Phone.
Use the following features when your Phone is connected to an external display:
Privacy protection: Notifications, incoming calls, and chat messages are displayed as red dots in
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the Phone's notification panel, but are not visible on the external display.
Dual displays: Display work-related content on the external display while you chat with friends on
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your Phone.
Desktop experience: Enjoy a desktop experience with Android apps. Open multiple windows,
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manage files, search your Phone, or change the desktop wallpaper. You can also connect a mouse,
keyboard, and other peripherals.
Exciting Features
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