How to modify the font on Apple 12 mobile phone wallpaper?

Font modification on Apple 12 mobile phone wallpaper. 1. Find the setting button in iPhone, then find Universal Open, and find the auxiliary function under Universal and open it.

2. There are fonts under the auxiliary functions, but don't choose fonts here, choose subtitles and closed captions.

3. When buying a mobile phone, most of them choose style one by default. You can create a new font style here.

4. We can choose the font directly. There are fewer Chinese font styles, so you can continue to add fonts.