Huawei Mate X3 User Manual page 5

Collapsible space
Make a Call in Flexstop Mode
When making a video call with MeeTime, fold your device until half of the screen hovers.
Then, you'll be able to view the video on the top screen, while being able to manage the call
on the bottom screen.
The figures are for reference only.
Experience Always On Display in Flex-Stop Mode
Once Always On Display is enabled, when your phone switches to Flex-Stop Mode, you can
view information such as time and date, without having to turn on the screen.
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