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 LTE icon will be displayed in the Notification bar.
   
5. When the battery is fully charged, the Fully charged battery icon will be displayed.
   
6. When a new message is received, the New message icon will be displayed in the Notification bar.
   
7. The GPS indicator shows your GPS status.
   
8. The Wi-Fi indicator displays if Wi-Fi is on or off, and how many devices are connected to the Mobile hotspot.