This article will help you change Android's system-wide text size and offer alternatives to increase the text size further or improve readability.

You can conveniently change your Android device's text size from the Settings app. If you've already updated to Android 13, here's how to do it: Launch Settings.

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.

You can change your font size in Signal on the secure-messaging platform's desktop, Android, and iPhone apps.

You can change the font size on your Android phone or tablet by heading to your device's Accessibility menu.

Unlike Android, iOS users can't change the font size setting on WhatsApp. However, they don't have to be disappointed as Apple's newly introduced text-related feature solves the problem.