How to set the font color of mobile phone?

If you use a vivo mobile phone, the font color of the mobile phone system is black by default (the color will be automatically adjusted according to the background color). If you want to change the font color, you can go to I Theme-Recommendation-Font Selection-Search for "Colorful" and download your favorite color (you need to pay).

Note: I theme fonts support trial use. You can try it before you buy it.

If you still have more doubts, you can enter vivo official website-My-Online Customer Service-Enter labor and consult online customer service feedback.