One pre-empting the film is very high quality, custom-fit and not visible when applied because it has exactly the size of the display. The touch sensitivity does not change. The silicone adhesive sets in to the gluing itself and can be removed without leaving residue. Problematic the dustless application of Folie- is I have unfortunately had to buy a 2nd film because it did not work right away. However, this is a general problem of protectors. Clean As a tip for sticking the display only with an antistatic cleaning cloth for glasses for plastic lenses. The film with the wide side first stick. This it is not positioned as fast wrong. Emphasize the air using the supplied card during the adhesive. If there is a speck of dust under the film, you can see the film again raise slightly and remove with moistened fingers gently. The film sticks well moistened, no later than when the water is evaporated. With the map in the end the entire film outside spread evenly from the center out. Good luck with it! Still positive: Included is a small microfiber cloth, a plastic card for brushing and multi-lingual guide.