TTY Settings - HTC 10™

Note When TTY (teletypewriter) settings are enabled, you can use your phone with a TTY device if you're deaf or hard of hearing.

  1. From a Home screen, tap Phone Phone icon (lower-left).
    Note If not available, navigate: Apps icon Apps icon > Phone Phone icon.
  2. Tap the Menu icon Menu icon (upper-right).
  3. Tap Settings.
  4. Tap Calls.
  5. From the Other call settings section, tap CDMA call settings.
  6. Tap TTY mode.
  7. 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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