Change the notification settings for Level 1 alerts

To change the notification settings for Level 1 alerts, you need to first create a rule in the BlackBerry Priority Hub settings and select the Enable Level 1 Alert checkbox on the Add Rule screen.
  1. On the home screen, swipe down from the top of the screen.
  2. Tap Settings > Notifications > Level 1 Alert.
  3. Change the Sound, Tone, Vibrate, LED, or Instant Previews settings.