Very interesting story here.
"Young engineers' appeal led to Samsung's bold smartphone recall
But the unprecedented recall was not something that was initially in consideration, a company official said on condition of anonymity.
....
According to company officials and other industry sources, it was Thursday that serious postings from the company workers in charge of smartphones began to circulate on the firm's e-bulletin board where employees are allowed to post their views anonymously. It was right after this that news reports speculated that Samsung would likely issue a full global recall of its devices.
"Please exchange them with new ones after fully recalling all the devices sold. I will forego my share of the performance-based incentives, so please do so. I feel ashamed," an engineer of the company's mobile business division wrote on the bulletin board."
Full story here:
Yonhap News Agency