Apple® iPhone® - Manage TTY Settings

Note Notes:

  • When TTY (teletypewriter) settings are enabled, you can use your phone with a TTY device if you're deaf or hard of hearing.
  • The steps below apply to the following models:
    • iPhone 5 / 5c / 5s
    • iPhone 6 / 6 Plus / 6s / 6s Plus
    • iPhone SE
    • iPhone 7 / 7 Plus
    • iPhone 8 / 8 Plus
    • iPhone X
  • For other models, click the applicable link for instructions:

  1. From the Home screen, navigate: Settings Settings icon > General > Accessibility.
  2. From the 'HEARING' section, tap TTY.
  3. Tap the following switches to turn on Switch On or off Switch Off:
    • Software TTY
      Note Allows you to make and receive TTY phone calls using iPhone software without the need for additional hardware.
    • Hardware TTY
      Note Allows you to connect to an external device for TTY calls.