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In flight mode the connection to your network is turned off, so your device can’t cause any interference with sensitive equipment in a plane or a hospital. You can still use the remaining functions when flight mode is turned on, but you can't send and receive email messages or connect to the internet. Follow these instructions to turn flight mode on or off.
1. Find "Settings"
2. Turn flight mode on or off
Depending on the current setting, the function is turned on or off.