Positive
+ No loss of Sony optics
+ The bumper protects the frame of the phone properly (falling from 1.70 m on asphalt kratzerlos)
+ The transparent back cover protects from scratches
+ Lightweight protrusion of the bumper on the front protects the screen
+ Helps spite of protection to only slightly
Negative
-The Bridge over SIM and Micro-USB slot is slightly loose (If after prolonged use no longer, however, has bothered me in the first time.)
-Can Depending on the activities and loads discolor slightly
After the sheath about 3.5 months heat, soot, dust and slag oil was subjected to daily, she was stained rather yellowish. However, I was happy enough to buy me the same envelope again. I can recommend it only.