Enable / Disable Heads Up Notification - HTC One M9

Note If you don't see dropdown notifications or a message preview for text messages in the notification bar, enable Heads up notification by doing the following:

  1. From a Home screen, navigate: Apps icon Apps icon > Messages.
    Note If Messages is unavailable, tap the Dropdown menu Applications dropdown menu icon then select Alphabetical. If still unavailable, refer to Manage App Icons.
  2. Tap the Menu icon Menu(located in the upper-right).
  3. Tap Settings.
  4. Tap Notifications.
  5. Ensure 'Received notification' is checked then tap (check) Heads up notification to enable.
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