If you are disappointed that the year is almost over and Microsoft didn't release an upgrade or a flagship (apart from 1520 and 930) but instead focused on more low budget Lumia phones. Then get ready to be disappointed further.
A new image of what the guys at NokiaPowerUser are saying is the Lumia 435, a new low-low end windows phone. Kinda like take the Nokia X series and snapping windows phone OS on it.
According to their sources, the specs of this Lumia are