Samsung Galaxy Note5 - Text Message Signature

  1. From a Home screen, tap Message + Message + icon.
  2. Tap the Menu icon Menu icon (located in the upper-left).
  3. Tap Settings.
  4. Tap Enable Signature.
    Note A signature is automatically attached to each sent text message when this setting is enabled.
  5. Tap Auto Signature.
  6. Enter or edit the signature then tap SET.