From the home screen, press and hold the Recent Apps key.
Tap All settings.
Under the Networks tab, tap Wi-Fi.
Tap the Wi-Fi switch to turn Wi-Fi on or off. Note: To optimize battery life, turn Wi-Fi off when not in use.
With Wi-Fi turned on, tap the desired Wi-Fi network. 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 required network password, then tap Connect. Note: Secure networks will display with a Lock icon.
When connected to Wi-Fi, the Wi-Fi icon will display 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.
To remove a saved Wi-Fi network, touch and hold the desired network.
Tap Forget network.
Wi-Fi can also be turned on or off by swiping down from the Notifications bar, then tapping Wi-Fi.