TOKYO — Remember when telephone handsets were curved to bring the microphone closer to your mouth? That began back in the days of rotary dials. The smartphones of today are flat, to accommodate touch screens. But that may be starting to change.
With a nod to the telephones of the past and the technology of the future, LG Electronics of South Korea on Monday announced a new smartphone with a curved screen, the LG G Flex. The move came about a month after LG’s domestic rival,....