These things work great. I just struggled with another brand that left lumps, dust etc everywhere. I received 3 packs and the first one worked great on the second try. LAUGH OUT LOUD. At first I didn't line up the holes on the camera and mic but tried to align them in the corners and/or top to bottom. All went well, but I also tried applying pressure to the screen protector instead of slowly letting it fall off. Don't ask, but once I started milling two holes on top and then checking the corners and slowly sliding the profile into place, I had a lot fewer issues to deal with and it lined up properly. I was left with about 15 small bumps to take care of later in 15 minutes. I usually try to master them within a month or so.
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