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.Only one. I searched for a how to remove dust from a screen protector.
How to install (turn down volume). Foolproof way to put a screen protector - YouTube
How to remove dust. How To: Remove Dust Bubbles from Screen Protector after Installing - YouTube
I've ruined zero screen protectors because I've never installed one on any phone or tablet I've ever owned. I've also never had a scratch on any screen. Most devices I see with screen protectors appear discolored and scratched.


Screen protectors don't seem to diminish the quality of the screen for me. Regardless, I get a warm fuzzy feeling by having a screen protector!![]()
I don't bother with screen protectors on a gorilla glass screen. The iPhone 3GS and the iPad 2 are as good as the day I bought them. A few blasts of warm breath on the screen combined with the kind of wipe that comes with a pair of glasses and they come up good as new.
The problem is that the N7's glass is not Gorilla.
Sand does it too apparently. That will even scratch gorilla glass by all accounts.
Sand does it too apparently. That will even scratch gorilla glass by all accounts.

sand will scratch ANYTHING on earth including diamond, tungsten, etc... you name it sand will scratch it. take it from me a machinist. this is how we dress our diamond grinding wheels is with a stone (a very hard stone) sand is the most abrasive thing on earth. i specifically bought a carbide wedding ring hoping it would hold up to my work environment and it is scratch worse than you could believe. my warranty specifically points out that it is "scratch proof" so i can get a new one (they cant or wont polish it) for free but i dont want to go that long without it![]()