German designer Jil Sander launches Windows Phone 7.5 smartphone - photo 1German designer Jil Sander launches Windows Phone 7.5 smartphone - photo 2German designer Jil Sander launches Windows Phone 7.5 smartphone - photo 3German designer Jil Sander launches Windows Phone 7.5 smartphone - photo 4German designer Jil Sander launches Windows Phone 7.5 smartphone - photo 5