Read help info
You can turn off all wireless connections so your phone can’t cause any interference with sensitive equipment in a plane or a hospital. You can still use your phone when flight mode is turned on, but you can’t send messages or make calls.
Find "flight mode"
Slide your finger left on the display.
Press flight mode.
Turn flight mode on or off
Press the indicator next to "Status" to turn the function on or off.
Return to the home screen
Press the Home key to return to the home screen.