iPad - Change notification settings on iPad
In Settings 
, choose which apps can send notifications, change the alert sound, set up location-based alerts, allow government alerts, and more.
Change notification settings
Turn off notifications from specific apps, have the notification play a sound, choose how and where you want notifications to appear when your device is unlocked, and more.
Go to Settings 
> Notifications.
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To choose when notification previews should appear, tap Show Previews, then choose an option.
Previews can include things like text (from Messages and Mail), and invitation details (from Calendar).
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Tap Back, then tap an app below Notification Style and turn Allow Notifications on or off.
If you turn on notifications, choose how and where you want the notifications to appear for the app—for example, on the Lock screen or in Notification Center.
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Tap Notification Grouping, then choose how you want the notifications grouped:
By App: All the notifications from the app are grouped together.
Automatic: The notifications from the app are grouped according to organizing criteria within the app, such as by topic or thread.
Off: Turn off grouping.
To turn off notifications selectively for apps, go to Settings > Notifications > Siri Suggestions, then turn off any app.
Show recent notifications on the Lock screen
You can allow access to Notification Center on the Lock screen.
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Go to Settings 
, then, depending on your model, tap one of the following.
Face ID & Passcode
Touch ID & Passcode
Passcode
Enter your passcode.
Turn on Notification Center (below Allow Access When Locked).
Silence all your notifications
Ask Siri. Say something like: “Turn on Do Not Disturb.”
You can also go to Settings 
> Do Not Disturb, then turn on Do Not Disturb.
Set up location-based alerts
Some apps use your location to send you relevant alerts based on where you are. For example, you might get a reminder to call someone when you get to a specific place or when you leave for your next location.
If you don’t want to see these types of alerts, you can turn them off.
Go to Settings 
> Privacy > Location Services.
Turn on Location Services.
Tap an app, then choose whether you want to share your location while using that app.