Very impressed with the technology implemented in this small object

1st point of satisfaction, home delivery was very fast, without my having chosen an option with additional cost.
The product is very satisfactory (Xperia Z3 compact).
Let me give some tips for fitting, the instructions are in English. I did not avail myself of the 2 stickers provided to remove dust because to the naked eye, after passing wipes, there was none. With the addition of a second powerful smartphone light, dust were actually present, that the sticker is removed. Regarding the installation of the glass, to be able to position and reposition, place the glass on the screen gently WITHOUT PRESS ABOVE, holding it by the edges and push with eg nail to the very center. As soon as you press it, the glass sticks and if we ended up in the place, the installation is "magic". The anti-bubbles system that the glass sticks alone against the entire surface of the screen, hence the importance of supporting the center of the glass when the fix for good, and not before.
After that, the glass is in place and include the functions of a smartphone with the same responsiveness and the same picture quality.
Some customers have asked whether this addition maintains the tightness of the smartphone. I wonder to myself what is the resistance of the glass to sand grains. I'll see it next summer.