For the third time I bought this film for various mobile phones my family. It is really recommended. Excellent protection and still function properly even with capacitive touchscreens. If it is well mounted no one sees it really. In principle, the installation is easy and should get bubble free but ..... But this comes at the cleanliness. It really is very difficult to prevent as dirt or dust particles remain on the display, or drop it in the assembly. The result is not so beautiful. Looks like bubbles, but can not be removed, as opposed to air pockets without dirt. Such bubbles can prune well. For the dust but the film can not help. I think that's similar in other films. The second problem is the alignment. The film is cut very accurately to measure what is really commendable, but the alignment is then also very demanding. It is indeed mostly on the short side at the top, but then have to take care that the orientation of the long side is exactly straight. This is difficult because the film still has a certain distance from the housing and the edges of the foil, which is indeed highly transparent, are barely visible. Thank God is a correct and new attaching no problem, but then comes back strengthened the dust problem to bear. So in principle excellent products but the assembly is not entirely without problems, but significantly better than cheap wobbly films. I can really recommend.