It worked well. But I want someone to tell me how much you need to increase the screen brightness for this to work. I wasn't ready to use the battery that quickly, so I had to take it out. (Although I'm a very heavy user, I burn up my battery in about half a day even without this screen protector, so I still have to resort to a battery case to get me through the day). More of a comment on privacy screens in general than the performance of this particular privacy screen.
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