You can share an internet connection over Wi-Fi by setting up internet sharing on your Windows Phone.
Wherever there is a Wi-Fi network, you can use your Windows Phone to connect to it, in addition to connecting to a cellular network.
Learn how to connect to wireless networks using Wi-Fi on your Windows Phone.
Read the Wi-Fi FAQ for answers to common questions about Wi-Fi in Windows Phone 8.
Airplane mode is available on Windows Phone. Airplane mode is a setting that lets you turn off your cellular, Wi-Fi and more on your flight.