I've made quite a few tempered glass and screen protectors, but be sure to watch the video and follow the order. Unfortunately, the step that required you to use a small cardboard squeegee to gently squeeze the bubbles out was a total failure. With a matte finish, the cardboard just scuffed and eroded the finish and the blisters just sat there laughing at me. I tried it by hand, it doesn't work. So I started with a clean slate and it also had three bubbles. However, the end wasn't set yet and I was able to lift a corner to free it and the setup looked great, but that little cardboard bubble remover thing didn't work at all on the matte finish. So losing one of them was a waste, but at least it was 2 of them.
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