Samsung’s mobile design chief, Chang Dong-hoon, resigned from his position at the South Korean tech company in the wake of the Galaxy S5’s release. With the Galaxy S5 continuing to shatter sales records, though, why would the company’s design chief step down? Galaxy S5 Design Flaws Trigger Resignation The Galaxy S5 has received mostly positive reviews from critics and consumers alike, many of whom praise Samsung for producing a smartphone with exceptional hardware and software capabilities. But there’s one universal criticism that many people have complained about: the design. The Galaxy S5 didn’t exactly bring anything new to Samsung’s Galaxy line, as it still possessed the same plastic body that’s found in its predecessors. We talked about the possibility of Samsung using an all-metal design in the Galaxy S5 before the device was released, but in the end they kept the familiar plastic body. This plastic design ultimately drew negative criticism, with people complaining that it felt cheap and flimsy — especially for a premium smartphone like Samsung’s flagship Galaxy line “The design has been consistently commented on for the last two or three years, especially the lack of high-end materials. The Galaxy S family is still successful, so Samsung must…