Apple® iPhone® 4 - Manage TTY Settings

Nota When TTY (teletypewriter) settings are enabled, you can use your phone with a TTY device if you're deaf or hard of hearing.

  1. En la pantalla de inicio, ve a: Settings > Phone.
  2. Tap the TTY switch to turn on Ícono de encendido o desactivar Ícono de encendido.