There are two problems:
1) The hole for the camera flash is too small. The corners of the photos remain dark / underexposed (as without flash). I've been using a Dremel spread it and now the problem is solved.
2) The hole for the 3.5mm jack is too small for many plug. I had to cut the rubber and connect the hole for the 3.5mm Jack with the hole of the microphone. Looks good, now it goes well with all Jacks.
