Trump stated that a 25% tariff will be imposed on mobile phone manufacturers that do not produce in the United States. Trump warned that if Samsung products are not made in the U.S., a 25% tariff will be imposed. If Apple and Samsung build factories in the U.S., they will be exempt from tariffs. If selling in the U.S., they need to be made in the U.S. Trump said tariffs will be imposed on Apple and Samsung by the end of June.