How to change the font color of oppo mobile phone from white to black?

1. First, find "Settings" in the oppo mobile phone, and click "Settings" to enter the settings page.

2. Then in the pop-up setting interface, click the display and brightness options inside, as shown in the figure.

3. Then click the font style option inside, as shown in the figure.

Then you can see some font styles in it. If you don't like it, you can click the download below, which contains more styles, as shown in the figure.

5. Then choose your favorite font style and bring your own color. You can choose your favorite font style and color, as shown in the figure.

6. Finally, you can see that the color and style of the font have changed, as shown in the figure below.