Turn iMessages Alerts On / Off - Apple® iOS

  1. From the Home screen, tap Messages Messages icon.
  2. Tap the preferred message.
    Select Messages
  3. Tap the Info icon Info icon (upper-right).
  4. Tap the Hide Alerts switch to turn on On switch or off Off switch.
    Line note When enabled, a crescent moon appears next to message.
    Hidden Alerts Message