To disable System sounds:
Go to Settings > Sounds & Haptics
• disable Keyboard feedback
• disable Lock Sound
• You can also customize other sounds in the Sounds & Haptics menu. Select each sound type (such as Text Tone, New Mail, Calendar Alerts, etc.) and set them to “None.”
To turn off notifications for selected applications:
Go to Settings > Notifications
1. Select the app from the list for which you want to disable notifications.
2. Select “Sounds” and set it to “None”
Repeat for any applicable app.
