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You Don’t Need to Use Airplane Mode on Airplanes
(gizmodo.com)
This is a most excellent place for technology news and articles.
Then why flight attendant says "switch your devices to flight mode"? It was a week ago in domestic european flight.
They usually only ask you to do so for take off and landing. Also based on experience from a European flight
I was on a domestic flight in Europe two months ago and there was no such announcement. They were probably just being nice and saving you some battery.
But there is absolutly no reason to turn it off because of any saftey concerns with the plane.