Also you do not need exercise in adhering these films, the supplied films fit perfectly, which is why they simply just have well aligned on one side of the display.
I use the Slabo- films since I got my HTC (2 years ago) and had the film been only once change, as they are immense scratchproof.
That's why I gave the film 2 from the Pack my friend who now has only a few problems with bubbles, because he has the display previously not degreased properly. (Dry Brillenputztuch used instead of once with a damp cloth detergent to go about it)
Well, his bad luck not mine. :)
