Have the battery ordered a month ago and find as yet no defects. Has saved me many times to have had an extra battery. And the capacity of 2100 mAh is a good value compared with the original battery with 1,900 mAh. He has perfectly fitted into the Samsung Galaxy S4 Mini i9195 pure without that I had to wegfeilen something with an emery board (who like the others described). Will I recommend.