To turn on Wi-Fi and connect to a Wi-Fi network, from the home screen select the Settings app.
Select the Wi-Fi switch to turn on or off.
Note: To optimize battery life, turn Wi-Fi off when not in use.
When Wi-Fi is turned on, it will automatically search for available networks. Select the desired Wi-Fi network.
Note: To connect to a hidden or unbroadcasted Wi-Fi network select Other. You will need to enter the Network Name (SSID), Security, and Password (if necessary) to continue.
If required, enter the Wi-Fi network password then select Join.
Note: Secure networks will display with a Lock icon.
When iPhone is connected to a Wi-Fi network, the Wi-Fi icon will be displayed in the Status bar.
Note: Data transmitted over a Wi-Fi network does not count toward your AT&T data plan, and will not be billed. To manage whether your device automatically switches from a poor or unstable Wi-Fi network to the AT&T network to maintain a consistent data connection, from the home screen select the Settings app > Cellular > scroll to the bottom of the screen until you reach Wi-Fi Assist then select switch On or Off. When using the AT&T network, data rates apply.
To remove a saved Wi-Fi network, from the Wi-Fi screen, select the Info icon.
Select Forget This Network, then select Forget to confirm.