Manage TTY Settings - Sony Xperia® Z3v

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 the Phone icon (located in the lower right).
    Note If not available, navigate Apps Apps icon > Phone.
  2. Tap Menu Menu (located in the lower right).
  3. Tap Call settings.
  4. From the Other Call Settings section, tap TTY mode.
  5. Tap one of the following:
    TTY Off
    Disables all TTY settings
    TTY Full
    Enables all TTY settings
    Enables HCO (Hearing Carry Over)
    Enables VCO (Voice Carry Over)