Due to inactivity, your session will end in approximately 2 minutes. Extend your session by clicking OK below.

Due to inactivity, your session has expired. Please sign in again to continue.

2025-05-15 04:50:09.947

Kyocera DuraForce PRO with Sapphire Shield - Manage TTY Settings

Here's how to change the TTY settings on your DuraForce PRO.
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
    Phone
     Phone icon (lower-left).
    If not available, navigate:
    Apps icon Apps icon
    Phone Phone icon
    .
  2. Tap the
    Menu icon
     Menu icon (upper-right).
  3. Tap
    Call settings
    .
  4. Tap
    TTY mode
    .
  5. Select one of the following:
    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)