Many good things have been said about this and I could actually check the quality of implementation, adjustment, adaptation and good grip improved significantly. Only small downside, the sensitivity with the buttons on the side which becomes less pleasant setting: it is not known if sufficiently strong or too strong support, it takes a while to get used to the firmness of touch. Note interesting when I installed this shell: it brings up an echo phenomenon understood by my interlocutors during telephone conversation, apparently related to the phenomenon of micro atmosphere. This was the opportunity of a return of Samsung S2 (phone was 6 months) which solved the problem by changing the components ...