Samsung and other Android phone manufacturers such as HTC and Xiaomi are facing steep losses as consumer are not buying new phones as often. I am not so certain the new iPhones have really made a difference, but then I have general dislike of anything Apple. Their results underscore the challenges that all smartphone vendors — with the potential exception of Apple — face as consumers upgrade their smartphones less frequently and are less impressed by newer devices’ incremental improvements. Moreover, the once hot growth market of China appears to be reaching a saturation point for first-time buyers, with cooling demand there, too….