1. Open 
Messages.
2. Tap
at the upper-right corner of the phone.
3. Tap Settings to view all message settings.
4. Manage Messages settings.
• Notifications: You can choose to show notification indicators or allow sound when you receive messages.
• Hear outgoing message sounds : When you send an SMS or MMS message through the Messages App, a signal sounds serves as a confirmation.
• Automatic previews: The feature works with your message data while keeping your messages private.
• Spam protection: The feature can prevent spam messages to protect your data.
Messages.2. Tap
at the upper-right corner of the phone.3. Tap Settings to view all message settings.
4. Manage Messages settings.
• Notifications: You can choose to show notification indicators or allow sound when you receive messages.
• Hear outgoing message sounds : When you send an SMS or MMS message through the Messages App, a signal sounds serves as a confirmation.
• Automatic previews: The feature works with your message data while keeping your messages private.
• Spam protection: The feature can prevent spam messages to protect your data.