What are the quick operations of Huawei's mobile phone screen closing?

There are two quick operations for Huawei's mobile phone to turn off the screen: turn off the screen to talk quickly and turn off the screen to shoot quickly.

Letter gesture: draw letters to open the corresponding application, C camera, W weather, E browser, M music.

Quick call when the screen is off: when the screen is black, press the volume button for a long time, and after hearing the prompt tone, say the name of the call contact person, which is decisive and quick.

Off-screen snapshot: Press the volume button twice quickly when the screen is closed.

Draw letters in the black screen to open the corresponding applications, such as C camera, W weather, E browser and M music.