All these screen protectors are a throw of the dice, I've tried different ones. The Pleson model is not currently available, it installed the best/easiest I've tried. This brand is more expensive than others. You get 2. The trick is to help with the installation. The first was too much, but the second was better. On both attempts I had to remove the protector and reinstall it manually, installing the "tray" had no effect. Bubbles were a problem, my experience with bubbles has shown that if they don't go away on the first try they will come back later. Creating them through pressure or force does not guarantee that they will go away. This brand is not very profitable, @ $ 10 for effective use is not a business, half went to waste.
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