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

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

Mobile phone: Huawei mate5

System: HarmonyOS3..

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

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 16 and 32. The brighter the moon, the lower the ISO will be.

4. Click the S option and set it between 15 seconds and 3 seconds, so that after pressing the shutter, the camera will capture moonlight for a long time.

5. Click AF option, select MF among them, and drag the slider to the far right, which means that the focus distance is set to infinity.

6. Click the WB option, select the rightmost button, and adjust the white balance to be between 4 and 6, so as to ensure the color stability of the photographed sky.

7. After aiming the mobile phone at the sky and fixing it, press the shutter button to shoot the moon.