Unfortunately, the film is as wide as the screen itself in width, therefore millimeter accurate meet the necessary outer edges. From the top or bottom, there is no leading edge, so all is quite a gamble.
But the main point of criticism is the functionality of the surface. The light from the display is broken by the film. The entire display glistens under the film. By Refraction also you can see everything with a gray haze and light blur. At a working phone, which is mainly about the protection of the display, sure to qualify. For mobile phones such price ranges, where the display quality plays a role, it is misplaced.