I put screen protectors on all my electronic devices so I know what they look like. I can occasionally get small blisters if I haven't removed all the dust, but that's about it. I'm giving this little bit of information so that when I say there were bubbles all over the place, you'll know that it wasn't a small bubble of dust. It doesn't stick to the screen of my device. Big bubbles everywhere! Some of the edges didn't stick either. This was the only time this has happened to me (on different devices) which is why I'm saying the product is at fault, not my app.
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