Note after two weeks of use: the stick above the volume buttons has split after replacing the smartphone. Not awkward to use, but nevertheless proves that the hull is not very robust. The closure clip also shows the first signs of fatigue (the leather is torn a little inside). Grains of sand have also infiltrated between the phone and the shell lining the back of the smartphone ...
Note after 4 weeks of use: the shell detaches from the party "leather" in the lower right corner ... not sure that this protection lasts several months.