How to make the subtitles in the notification bar of iphone bigger?

1. Enter the iOS settings, press General-General, and then press Accessibility-Auxiliary Use, and you will see the "Subtitles and Closed Captions"/"Subtitles and Closed Captions" settings. Press in and click the "closed caption +SDH" button, and this function will start the automatic playback function by the way.

2. Click "Style" and you will see the subtitle setting interface. By default, there are three subtitle styles to choose from, but basically you can't choose an enlarged font. However, if you want to customize the style, click Create New Style .../Add Style ....

3. User-defined style settings support settings of text, background, transparency, style, size, color and opacity. It is recommended to choose large font, red, blue, black and white and other contrasting colors.

Wait, the opacity should be between 25% and 50%, and all the setting results will be displayed in real time. Only fonts can only support English fonts, but Chinese characters can't. It is recommended to choose the default.