it's hard to stick to the foil without bubbles on, I have an extra previously cleaned the screen with the cleaning pad with supplied and have tried it all alone with a doctor blade UDN still two small bubbles can be seen. But for the film provides good protection allowing full operation. I notice in the operation of the display no difference with or without protective film. In addition, the film is super tailored precisely so that no reworking is necessary. Angebrahct Once ordenlich provides the backdrop for many months reliable protection. We recommend.