In many countries, you are required by law to turn off wireless devices while on board an aircraft. A quick way to turn off wireless functions is to switch your phone to airplane mode.
When you enable airplane mode, all wireless radios are turned off, including the call function, data services,
When you disable airplane mode, the call function is turned back on and the previous states of
Wi-Fi are restored.
On the Start screen, tap .
Status switch to turn it on or off.
When airplane mode is on, you'll see the
icon in the status bar.