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In flight mode the connection to your network is turned off, 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. Follow these instructions to turn flight mode on or off.
Find "flight mode"
Turn flight mode on or off
Depending on the current setting, the function is turned on or off.
Key in your PIN and press enter.