At first I was disappointed that I have to leave the shell open when charging, but I realized that an envelope in BookStyle visually can lose only if the charging socket remains free ... I will at least no slots or other openings in the shell back.
Who provides the appearance to the fore, sometimes you have to take elsewhere disadvantages: So I can not imagine that the shell could actually offer for ultra in a fall protection. For this, the cover is too thin and the cell phone is too heavy. But the grip surface of the shell may help to have the phone more secure grip. So give everyone his priorities should prevail.