1. The Notification bar displays the signal strength, network, data icons, and battery status.
   
2. When a signal is available, the Signal Strength icon will be displayed in the Notification bar.
   
3. When connected to a network, the AT&T icon will be displayed in the Notification bar.
   
4. When a data connection is available, the 4G icon will be displayed in the Notification bar.
   
5. When the battery is charging, the Charging icon will be displayed.
   
6. When the battery is fully charged, the Fully charged battery icon will be displayed.
   
7. When Airplane mode is turned on, the Airplane mode icon will be displayed in the Notification bar.
   
8. When a new message is received, the New message icon and the ALERTS notification will be displayed.