Twitter leakster Ice Universe, who has been right on spot with quite a few Samsung-related rumors in the past, has just revealed that Samsung will launch a brand-new handset later this year. The most interesting part about this upcoming device is that it is supposed to feature four cameras on the back.
https://www.notebookcheck.net/Samsung-might-launch-a-quad-camera-phone-this-year.328692.0.html
UWA+WA+WABW+telephoto makes sense, but many other possibilities.