Manage messaging settings such as notification alerts, message limits, emergency/AMBER alert settings.
INSTRUCTIONS & INFO
ACCESS MESSAGE SETTINGS: From the home screen, select the Messages app. Note: In order to send and receive messages, you must have already set up AT&T Messages.
Select the Menu icon, then select Settings.
ADJUST NOTIFICATION ALERTS & SOUND: Select the Notifications switch to turn notifications on or off, then select the desired notification alert frequency.