How does the red rice note9 mobile phone desktop turn black?

Find the monitor in the settings, turn on the eye protection mode, find the paper color, and select black and white to become black.

Specific operation method: 1. First, turn on Xiaomi's mobile phone. We can find the settings icon on the mobile phone desktop, and click the icon to open the settings page.

2. After opening the settings page, we can find the display option on the page, and click this option to enter the display page.

3. Then, in the displayed page, we found the eye protection mode option on the page. Click this option, and the phone will jump to the eye protection mode page.

4. On the eye protection mode page, find the paper eye protection option and click the small triangle button behind this option.

5. Find the paper color option on the interface.

6. Select the black and white option in the window, and put a box behind it to indicate that the screen has been successfully set to black and white.