Real-time text calling allows deaf people to hold real-time conversations, but you may not need it. How to turn RTT off on Android.

If you want to turn off RTT or Real time text on your Android device. RTT or Real Time Text is a useful feature allows users to send and even receive text messages in Real time on the same phone ...

Google Text-to-speech is part of Android's accessibility suite. It reads text aloud for those who are blind or live with low vision.