From the Home screen, navigate: Settings > Notifications.
From the 'Notification Style' section, tap the app (e.g., App Store, Messages, Email, Reminders, Calendar, etc.) to set notification style.
Tap the Allow Notifications switch to turn on or off .
Tap the Show in Notification Center switch to turn on or off.
Tap the Badge App icon switch to turn on or off.
Tap the Show on Lock Screen switch to turn on or off.
From the 'Alert Style When Unlocked' section, tap the desired style (None, Banners, Alerts).
Alerts require an action before proceeding.
Banners appear at the top of the screen and go away automatically.