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Samsung Galaxy A12 - Manage RTT Settings

2026-10-22 19:13:07.889

Samsung Galaxy A12 - Manage RTT Settings

Here's how to use the Real Time Text (RTT) feature on your Galaxy A12.
Real-time text (RTT) is text transmitted instantly as it is typed or created. Recipients can immediately read the message while it is being written without waiting or the need for an additional device.

Change RTT Visibility

  1. From a Home screen, swipe up to access the apps screen.
  2. Navigate:
    Settings Settings icon
    Accessibility
    Hearing enhancements
    .
  3. Tap
    Real Time Text
    .
  4. Tap
    RTT call button
    .
  5. Select the preferred setting:
    • Visible during calls
      : Show the RTT call button call button icon only during RTT calls.
    • Always visible
      : Show the RTT call button on the keypad and during all calls.

Make a Call with RTT

  1. With RTT enabled, from a Home screen, tap the
    Phone icon
     Phone icon.
    If unavailable, swipe up or down from the center of the display then tap
    Phone
    .
  2. Do one of the following:
    • From the Keypad tab (lower-left), enter a 10-digit number then tap the
      RTT call icon
       (at the bottom).
    • From the Contacts tab (lower-right), select a contact then tap the
      RTT call icon
      .

Switch a Call to RTT

  1. While on a call, tap
    Real Time Text.
    Switch to Real Time Text
  2. Enter a message then tap
    DONE
    .
    Messages appear in real time.
    Real Time Text
  3. To exit RTT, tap the
    Menu Icon
     Menu icon (upper-right), then tap
    Hide
     RTT keyboard.

End an RTT Call

  1. While on a call, tap
    End
    .