Samsung says Note 7 battery design, manufacturing caused fires

SEOUL, South Korea -- Samsung Electronics Co. says problems with the design and manufacturing of batteries in its Galaxy Note 7 smartphones caused them to overheat and burst into fire. The announcement Monday of the company’s investigation into one of its worst product fiascos comes three months after the flagship phone was discontinued.
The world’s biggest smartphone maker recalled 2.5 million Note 7 phonesin September after reports they were overheating and catching fire. It blamed