Customize messaging notifications
- Open Messaging > Menu (upper left) > Preferences & Accounts.
- Under New Message, set any of the following:
Show Notifications: Turn message notifications on or off.
Alert: Choose Vibrate, System Sound, Ringtone, or Mute. If you choose Ringtone, tap Tap to pick a ringtone.
Past messages notification period: Choose how old a message can be for you to get a notification when your device receives it. 3. Tap Done.
These steps haven’t been confirmed on LuneOS yet, so some may differ.