First of all: The missing star is probably due to my inability to switch from "old-fashioned" for smartphone ... The device itself is very great verabrbeitet, the robustness can be felt, "what you have in hand." By no means a cheap plastic part! The description says "Use it like you hate it!" - And it is believable that this phone really endures. And the missing star of "simple, intuitive operation" I have myself only earn by I use the manual of your phone for the first time in my life ...