Manage TTY Settings - HTC One® (M8) for Windows®

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 the Start screen, swipe left to display the Apps list.
    Note Alternatively, tap All apps Right arrow icon (located in the lower-right; may require scrolling to the bottom of the Start screen).
  2. Select Settings.
  3. Select ease of access.
  4. From the "TTY/TDD" section, tap the Dropdown menu.
  5. Select the TTY/TDD mode:
    Disables all TTY settings
    Enables all TTY settings
    HCO (hearing carry over)
    Enables HCO
    VCO (voice carry over)
    Enables VCO