Anyway, judging from the images (which look to be NCC certification images), these phones look pretty bulky, though they are the cheap Nokia phones (as are other S40 phones), Nokia should think about losing weight on their new devices, even the Nokia 808 which goes on sale soon is pretty bulky.
The Nokia 311 and 305 look set to be unveiled at Nokia World or maybe not? The images originated from a Chinese site, so maybe they are made for the China market (just like the 801T)
The Nokia 311 and 305 also bear similarities to recently leaked patent images from Nokia:
Another interesting thing is since these are all-touch phones, they will use some of the swipe features we see today on the Nokia N9, there is already a manual showcasing how swipe will be used on the Nokia 311 and 305, you can check them out HERE