Turn Message Delivery Confirmation Setting On / Off - Microsoft Lumia 735

  1. From the Start screen, swipe left to display the Apps list.
    Note Alternatively, tap All apps All apps icon (located in the lower-right; may require scrolling).
  2. Tap Messaging.
  3. Tap More More icon (located in the lower-right).
  4. Tap Settings.
  5. Tap the SMS delivery confirmation switch to turn On Switch On icon or Off Switch Off icon.