- From the home screen, tap the Text Messages.
- Tap More.
- Tap Settings.
- To change the Notification settings, tap Display and Actions.
- Scroll to, then tap Interactive Lock Screen Notification Settings.
- Tap the Lock Screen Notifications switch to turn it on or off.
- To view the message center number, from the settings menu, scroll to, tap Text Messages.
- Tap Advanced.
- The message center number will be displayed in the Service Center Address field.
- To change the Emergency alert settings, from the settings menu, tap Emergency Alerts.
- Tap to adjust the settings as desired.