Set up TTY device
Not all carriers support this feature.
For text-based communication, you can use text messaging and email.
If you prefer to connect to a TTY device:
1.
Tap .
2.
Tap > Settings > Accessibility > TTY mode.
3. Select a mode:
•
TTY Full: Type and read text on your TTY device.
•
TTY HCO: Type text on your TTY and listen to voice replies on your phone.
•
TTY VCO: Speak into your phone and read text replies on your TTY.
4. Connect your phone and TTY with the audio cord that came with your TTY.
Settings : Accessibility 233