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2025-05-15 19:32:17.335

moto z4 - Manage TTY Settings

Here's how to change the TTY settings on your moto z4.
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
    Phone icon (lower-left).
    If unavailable, swipe up to access all apps then tap
    Phone
    .
  2. Tap the
    Menu icon Menu
    (upper-right).
  3. Tap
    Settings
    .
  4. Tap
    Accessibility
    .
  5. Tap
    TTY mode
    .
  6. Select the preferred TTY mode:
    • 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)