What are the ranges in smart phone, and latest models of Samsung mobiles, HTC with Big screen and high resulation. Price ranges of good phones with 5Mp or more cameras

There are many models from samsung and HTC including some other brands with big screen and high resolution. It depends on the price tag so specify your price range. We will let you know, however some of them and best are Nokia Lumia 520, Samsung Galaxy Sduos S6802.