Huawei Mate s User Manual page 17

Getting started
Pinch two fingers out: Spread two fingers
apart on the screen. For example, pinch two
fingers out to zoom in on a picture or web
page.
Pinch two fingers together: Pinch two
fingers together on the screen. For example,
pinch two fingers together to zoom out on a
picture or web page.
Pinch three fingers together: On the
home screen, pinch three fingers together to
display screen thumbnails.
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