Both guys are keenly aware of the areas where the prototype needs improvement, and insist that the LTE-packing YotaPhone will soon get a new case to house the double Gorilla Glass screens, an improved power button (which also doubles up as the SIM slot), and very likely a superior E Ink panel that will increase the resolution to 220 dpi and also improve the contrast.
ENGADGET: YotaPhone Android prototype with dual LCD and E Ink displays hands-on (video)