- From a Home screen, tap. Phone. (lower-left). If unavailable, swipe up on a Home screen to access all apps, then tap. Phone. .
- Navigate: Menu icon. Settings. Accessibility. .
- Tap. Real Time Text (RTT) Call. to turn On or Off . If prompted with a 'No Video Calls or Call Merging' message, tap. OK.
How do I turn off RTT on Android?
- Open the Phone app .
- Tap More. Settings.
- Tap Accessibility.
- If you see Real-time text (RTT), turn OFF the switch. Learn more about using real-time text with calls.