How to adjust the font size of mobile phone contacts

1. First, open "Settings" on your mobile phone and click "Search box" at the top of the page to enter.

2. Secondly, enter the word "font" in the search box and select the second option "font size" to enter.

3. Finally, drag the "small blue vertical bar" at the bottom of the page to move to the left to make the font smaller, and move to the right to make the font larger.