Huawei Nova 4 User Manual page 100

Automatically adjust the screen resolution: Touch Screen resolution and enable Smart
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resolution. The Phone will automatically adjust the screen resolution to reduce power
consumption.
Play screen savers while charging in Sleep mode: Go to More display settings > Screen
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saver, and enable Screen saver. You can set Picture source and Playback duration. After the
setting is complete, your Phone will display a slideshow of your photos when it is being charged and
enters Sleep mode.
Display more information in the status bar: Touch More display settings. Depending on your
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preferences, you can enable Display carrier name or Display network speed.
Sound and Display
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