I received my Bumper today and I am only half-satisfied. There is no information on how to install the Bumper etc. The device is indeed dissuaded secure and can not fall out, but it wobbles slightly in the Bumper. After several RAN and abbringem from Bumper may cause the aluminum to bend so that the device no longer safe's inside. The color of the bumper looks slightly different, but on the whole it looks very classy. It has been worthwhile to buy the Bumper. I like it.