Samsung Galaxy S9 / S9+ - Manage TTY Settings

Note TTY Settings allow Text Telephone devices (TTYs) to be enabled so that deaf and hard of hearing customers can use the telephone by utilizing a visual, instead of auditory, mode of communication.

  1. From a Home screen, tap the Phone icon Phone icon (lower-left).
    Note If not available, swipe up or down from the center of the display then tap Phone Phone icon.
  2. Tap the Menu icon Menu icon (upper-right) then tap Settings.
  3. Tap Other call settings.
  4. Tap TTY mode
  5. Select one of the following:
    • TTY Off: Disables all TTY settings
    • TTY Full: Enables all TTY settings
    • TTY HCO: Enables HCO (Hearing Carry Over)
    • TTY VCO: Enables VCO (Voice Carry Over)
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