Regarding the position of the glass, it is essential to check that there is no dust before laying (although check under oblique light). Then the installation is very simple: it is placed horizontally flat (it does not start with a corner ...). And, it very slightly seconded the middle of the window, and by magic, it sticks alone gradually. There just end by pressing everywhere. In the first test: no bubble, no trace! Impeccable!
Protection is really invisible to the use and effect on touch.
Only altered sensation: that of the Home button, because of the thickness of the glass. But this is not inevitable and very embarrassing.
