Real-Time Text (RTT) enables users to communicate using text which is then transmitted as audio to the listener in real time during a phone call. RTT can improve the user experience for individuals with speech or vocal impairments.
1.
From Settings, navigate to Accessibility and press the OK button.
2.
Navigate to TTY mode and press the OK button.
3.
Select your preferred TTY setting and press the OK button to activate it.
4.
You've completed the steps!
