I did not have high expectations of the sleeve, because different reviews were so negative indeed. But this I can not understand. But in a nutshell, the part is great - I'll even order which for friend and acquaintances. Optics and processing is good. Schütz optimally just because I work my iPhone on the construction and have already changed several displays. Even the reception has not become worse, as beschieben in some reviews. Function of the touch and the buttons function accurately. One should however each be clear that there is a protective sheath made of metal and therefore doubles the weight of the iPhone. But that's not important for me, I just want a safe protective sheath and corrupt them.