The film was applied to the cell phone screen within a few minutes. If one is faithful to the requirements of the Instructions concerning fat freedom and cleanliness, you will have no problems applying the film, provided a steady hand, as you should be working properly but to achieve an optimum result. So far the film has very good adhesion, it also arise when using the smartphone no visible traces, no slipping of the film, no blistering by eventual drying of the adhesive or other imperfections are yet to observe. The anti-reflective property is sufficient, correctly identified all on display in the open air, even in bright sunshine. Definitely an improvement and a good protection, recommended for every touchscreen phone.