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Samsung Galaxy A12
Manage RTT Settings

2026-10-15 08:47:57.349

Samsung Galaxy A12
Manage RTT Settings

Use RTT to text in real time on calls from your Galaxy A12. This can help with hearing or speech issues or if you prefer typing.

Change RTT Visibility

  1. Open the
    Settings app
    .
  2. Navigate:
    Accessibility
    Hearing enhancements
    Real Time Text
    .
  3. Tap
    RTT call button
    .
  4. Select the preferred setting:
    • Visible during calls
      : Show the RTT call button 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 app
    .
  2. Do one of the following:
    • From the Keypad tab (lower-left), enter a 10-digit number then tap the
      RTT call icon
      .
    • 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
    .
  2. Enter a message then tap
    Done
    .
  3. To exit RTT, tap the
    3-dot Menu
     then tap
    Hide
     RTT keyboard.

End an RTT Call

  1. While on a call, tap
    End
    .