How to change notification sounds for text messages When your messages come through, you want the notification to become loud, clear, and distinctive.

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 text bubble colors for all chats in Google Messages Note: I performed the following instructions on a Samsung Galaxy with Android 14.