Use the Control Center to quickly turn Wi-Fi on or off. Swipe up from the bottom edge of the screen and tap the Wi-Fi icon to enable or disable the feature.
To connect to a new Wi-Fi network, from the home screen, tap Settings.
Ensure Wi-Fi is enabled, then tap the Wi-Fi network.
If prompted, enter a Password and tap Join.
The phone is now connected to the selected Wi-Fi network.