To change Android's text size, go to Settings > Display & touch > Display size and text. To zoom up on text to make it bigger, go to Settings > Accessibility > Magnification.

How to change font size in Samsung Messages app Some users may find to their surprise that changing the font size of their Galaxy Note10+ may not affect the font size of their text messages at all.

The Samsung Galaxy S6 has a lot to offer and a pretty decent text message app, but take over your device and customize it as you'd like with this how to.

This guide explains how to change the Galaxy S8 text message app. We share app suggestions and show how to set the new one as the default.