Huawei P10 - Manual (Page 128)

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Adjust the screen brightness: Swipe up or down on the left-hand side of the screen.
Swipe up to increase the brightness, or swipe down to decrease the brightness.
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Adjust the volume: Swipe up or down on the right-hand side of the screen. Swipe up to
increase the volume, or swipe down to decrease the volume.
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Rewind or fast-forward: Drag the progress bar left to rewind, or right to fast-forward.
Music and Video
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