About nine months after being named head of Samsung’s mobile business, Koh, 56, was forced to recall the popular Galaxy Note 7 not once, but twice, because the large-screen phone kept bursting into flames. After Samsung’s “safer” replacement phones caught fire, too, Koh killed off the Note 7 in October, taking more than 2.5 million phones off the market.
In both cases, the culprit was the battery.
It was a big black mark on Samsung’s reputation as the world’s largest smartphone maker. It didn’t help that it all happened just as archrival Apple released its iPhone 7. For Koh, who goes by “D.J.”, it was a “very painful experience” — an “eye-opening experience.”