1. From the home screen, swipe down from the status bar.
   
2. Tap the Wi-Fi.
   
3. Tap the Wi-Fi switch to turn on or off.
   Note: To optimize battery life, turn Wi-Fi off when not in use.
   
4. Tap the desired network.
   Note: Tap 'Add' to connect to a hidden or unbroadcasted Wi-Fi network. You will need to enter the network SSID, security type, and a password (if necessary) to continue.
   
5. If prompted, enter the network password, then tap Connect.
   Note: Data transmitted over a Wi-Fi network does not count toward your AT&T data plan, and will not be billed.
   
6. When Wi-Fi is on and connected, the Wi-Fi icon will be displayed in the notifications bar.
   
7. To quickly toggle Wi-Fi on/off, swipe down from the top of the screen, then tap the Wi-Fi icon.