How to set night mode on Xiaomi u8 system, which is black background and white text

This is not a night mode, this is a color inversion function. This function is still in the experimental stage and is not very mature, but you can try it out. Here are the specific instructions on how to turn it on:

1. Turn on the phone and enter the settings of the phone.

2. Select more settings and click to enter.

3. Find Accessibility inside, then pull it to the bottom and turn on the color inversion function.