2. General-auxiliary function, click to enter the interface of auxiliary function, and you can see "Font becomes larger";

3. In a larger font interface, you can change the font size by dragging the slider below.

IPhone font change method:

We want to change the font here, so we need to open the "Settings" option icon on the mobile phone, open it and click "General";

After clicking into General, we find "Text Size" under General Options and open it;

Click the option to open this text size and enter the text resizing interface. We can resize the font according to our own requirements.

Then, after adjusting the font size, return to the general options interface, and then click "Accessibility" under the "Text Size" option;

In the accessibility interface, we find the following "bold text" item and click the open button behind it;

Finally, after we click this button, a list of options will appear at the bottom of the interface, where we can click the "Continue" option.