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Samsung Galaxy S9 / S9+
Manage TTY Settings

2026-10-05 01:07:23.535

Samsung Galaxy S9 / S9+
Manage TTY Settings

Teletypewriter (TTY) settings allow text communication on your Galaxy S9 / S9+ during calls, which is helpful for hearing or speech challenges.

Steps

  1. Open the
    Phone app
    .
  2. Tap the
    3-dot Menu
    then navigate:
    Settings
    Other call settings
    .
  3. Tap
    TTY mode
    then select one of the following:
    • TTY Off
      : Disables all TTYsettings
    • TTY Full
      : Enables all TTY settings
    • TTY HCO
      : Enables HCO (Hearing Carry Over)
    • TTY VCO
      : Enables VCO (Voice Carry Over)