Note: Wi-Fi must be turned off and not all carriers support TTY.
Tap
Phone > Menu > Settings > Accessibility > TTY mode and select the mode you need:
» TTY Full: Type and read text on your TTY device.
» TTY HCO: Type on your TTY device and listen to voice replies on your phone's speaker.
» TTY VCO: Speak into your phone and read text replies on your TTY device.
Note: You'll need a cable/adapter to connect your TTY device to the headset jack on your phone. Refer
to your TTY device guide for mode and usage information.
Accessibility