How to set the clearest photos on Xiaomi mobile phone?

I don't know if the pixel setting is not appropriate when taking pictures on the mobile phone. The method is as follows:

Preparation materials: Xiaomi mobile phone

1. First find the photo function of the mobile phone desktop, as shown in the figure below.

2. Then click to open the camera, as shown in the figure below.

3. There is a mode selection below, and click Open.

4. Click the mode selection to find the camera settings in turn, as shown in the figure below.

5. Set the photo quality to high under the camera settings, so that it is the highest definition after setting.

6. You can also modify the photo scale under the photo frame, such as setting it to 16: 9.

7. You can also modify the contrast, saturation, etc. Under the camera settings, the photos taken after this setting are better.