By following more closely the guidelines, no worries. A sticky paper is also provided to remove the last stubborn dust. not easy to use but handy nonetheless. The protection for the screen is cut with virtually no margin. I recommend the establishment by building from the bottom edge and centering accurately as possible. The protection for the small screen top is cut with about 1 mm margin on all sides. I advise you to turn the reflex to view information and avoid hiding them with an edge of protection by putting ... For the happy moment of the establishment. To see how the use will evolve.