From the home screen, tap Apps. Note: Data transmitted over a Wi-Fi network does not count toward your AT&T data plan, and will not be billed.
Swipe to, then tap Settings.
From the "Connections" tab, tap the Wi-Fi switch to enable and disable Wi-Fi.
To manage networks, tap Wi-Fi. Note: To optimize battery life, turn Wi-Fi off when not in use.
Tap the desired Wi-Fi network. If the desired Wi-Fi network is not displayed tap Scan. Note: Tap Add Wi-Fi network 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.
If prompted, enter the network password, then tap Connect. Note: Secure networks will display with a Lock icon.
To quickly enable and disable Wi-Fi, swipe down from the notifications bar.
Tap Wi-Fi to enable and disable Wi-Fi.
When Wi-Fi is enabled and connected to a network, the Wi-Fi icon will be displayed in the notifications bar.