The Federal Aviation Administration on Thursday strongly urged travelers not to turn on or charge Samsung Galaxy Note 7 cell phones while on planes, after a series of incidents involving exploding batteries.
In a statement, the FAA also advised travelers not to stow the devices in any checked baggage.
Samsung Electronics issued a recall on Sept. 2 for the roughly 2.5 million devices after reports that batteries exploded during charging.
Three Australian airlines have already barred passengers from using or charging the smartphones during flights.
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The recall resulted in a nearly $7 billion loss for Samsung's share value this week.