Latest Nokia 3310 leaks here. The new render is hand-sketched and is from one of the most reliable Nokia leak sources in China. The render is said to have 90% similarity with the real Nokia 3310 (2017) design.
As can be seen in this render the new Nokia 3310 design may have some shades of Nokia 6303 design.
This leak, shows Nokia 3310 (2017) may have a display. It will pack a camera (cameras) too unlike the old Nokia 3310.