1. Swipe down from the top of the screen to reveal the Action Center.
   
2. Tap ALL SETTINGS.
   
3. Tap Wi-Fi.
   
4. To enable or disable Wi-Fi, tap the Wi-Fi switch.
   Note: To optimize battery life, turn wi-fi off when not in use.
   
5. Tap the desired Wi-Fi network.
   
6. If prompted, enter the network password.
   
7. Tap done.
   
8. Wi-Fi is now enabled and active. When Wi-Fi is enabled and active, the Wi-Fi icon will be displayed in the notifications bar
   Note: Data transmitted over a Wi-Fi network does not count toward your AT&T data plan, and will not be billed.
   
9. Wi-Fi Sense enables your device to automatically connect to available networks, when in range, in order to save cellular data. Additionally, it can share secures Wi-Fi network access with contacts without sharing the network password.
   
10. To access the Wi-Fi Sense settings, scroll to and then tap Wi-Fi Sense.
    
11. To quickly enable or disable Wi-Fi, swipe down from the top of the screen to reveal the Action center.
    
12. Tap the Wi-Fi icon.
    
13. Tap the Wi-Fi switch.