Why does Apple have a dark mode?

Click "Settings" on the phone, and then click "Display and Brightness" to switch the theme color of the phone to dark, as shown below:

1. Turn on the phone first, and then find the settings on the phone desktop, as shown below;

2. Click to enter the setting interface and find the display and brightness, as shown in the figure below;

3. Click to enter the display and brightness interface and find the dark color, as shown in the figure below;

4. If you switch back to the lighting mode, select the lighting color, as shown in the figure below;

5. If you want to switch to dark mode within a set period of time, click Options;

6. After entering the selection, click "Custom Time Period";

7. Select "Display and Brightness" within a custom time period;

8. Return to the display and brightness interface. You can see the period of keeping the dark appearance in the options bar.

Precautions:

1, update to ios 13.0 to have dark mode. Find out whether your model supports upgrading to the ios 13.0 system version.

2. If "Sunset to Sunrise" is selected, the local time can be automatically switched at any time according to the local time zone.