Have bought the shell and 6x Mumbi protectors. Bin itself very pleased with both It is meticulously crafted and precisely. As already mentioned here, the side buttons are a little harder to use, as they are under the casing and no saving was released. In my case for the HTC One, also of Mumbi, they are even under the cover can be used without any problem but. Whether it is on the phone or on the envelope I can not say. But with a little more pressure is also the one and get used to it quickly. Find the look actually quite OK, simple and it fits comfortably in your hand. Has also been his first fall survived. My only criticism is the delivery cost. Were calculated 3.28 EUR net. Freed was the envelope with wrap but only with 0.90 cents. This represents an increase of 2.36 EUR. Find the very annoying yet and therefore subtract even a *.