The shell is firmly seated on the HTC One and protect this very well against falls. With fell by about half a year, that the protective cover is always yellow. A friend observed in the same shell-like, which, however, no or very little disturbance to the actual function, namely the protection is, it's only an optical Markel. The shell including phone is used in a non-smoking environment, where the yellowness comes with time, I can not sagen.Vielleicht enters my finding on only in certain batches.
