Hello, it depends on the design and quality of the iPad case. If the case does not match the size of the iPad or is not properly designed, it may cause the film to warp. It is recommended to choose a protective case suitable for your iPad model and choose a good quality brand. At the same time, when installing the film and protective shell, be careful to ensure that there are no bubbles and impurities to avoid problems.
Hello, the general pasted protective film will not tilt up, unless it is not pasted