Swipe down from the top of the screen to reveal the Action Center.
Tap ALL SETTINGS.
To enable or disable Wi-Fi, tap the Wi-Fi switch. Note: To optimize battery life, turn wi-fi off when not in use.
Tap the desired Wi-Fi network.
If prompted, enter the network password.
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.
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.
To access the Wi-Fi Sense settings, scroll to and then tap Wi-Fi Sense.
To quickly enable or disable Wi-Fi, swipe down from the top of the screen to reveal the Action center.