How to set the professional mode of Huawei's mobile phone shooting the moon?

The setting method of Huawei's professional mode of shooting the moon by mobile phone is as follows:

Mobile phone: Huawei mate50

System: Harmonious Operating System 3.0.0

1. In the camera interface of Huawei mobile phone, find the "Professional" button and click.

2. In professional mode, click the M option and set it as the first "matrix metering", which will meter the whole sky.

3. Click the ISO option and adjust it to between 1600 and 3200. The brighter the moon, the lower the ISO will be.

4. Click the S option and set it to 15 seconds to 30 seconds, so that after pressing the shutter, the camera will capture moonlight for a long time.

5. Click the AF option, select MF, and drag the slider to the far right, which means that the focal length is set to infinity.

6. Click the WB option, select the rightmost button, and adjust the white balance to between 4000 and 6000, so as to ensure the color stability of the photographed sky.

7. After the mobile phone is fixed in the sky, press the shutter button to shoot the moon.