Personally, I've always used screen protectors on all my phones. Most products I've purchased and applied (either myself or a third party) usually leave a few air bubbles after the application is complete. A little annoying, but not the end of the world. The package included a home screen alignment tool and literally made the application process extremely easy. No air bubbles were observed after application and alignment was perfect thanks to the tool. At first I was concerned about the protective film for the camera lens. I usually don't like it when something covers my camera lens (even if it's clear) just because I find the photo/video quality degraded.
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