HTC Desire 550 (Cricket)‎

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Teletypewriter (TTY) mode

TTY mode allows people who have hearing or speech impediments to communicate by telephone. HTC Desire 550 is compatible with select TTY phones. HTC Desire 550 and the TTY phone connect using a special cable that may come with the TTY phone. Contact your TTY phone manufacturer to see if the phone supports digital wireless transmission or to purchase the connector cable if one was not provided with the TTY phone.

Turning TTY mode on

  1. Connect the TTY phone cable plug to the HTC Desire 550 headset jack.
  2. From the Home screen, tap , and then tap Settings > Call.
  3. Tap TTY mode.
Note: When turned on, TTY mode may impair the audio quality of non-TTY phones connected to the headset jack.
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