I've done quite a few of these videos. I'm no professional. Read the directions and use common sense. I have never had issues.
After I began using glass screen protectors, I have mixed feelings about ZAGG products. There are pros and cons to each. Feel free to comment and/or ask questions.
One thing, I am sure of is that an unprotected phone will get scratched if you place it in a pocket with keys or change. Even the sapphire on my dad's old Rolex is capable of being scratched.
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