If you don't know how to properly place it, don't even try. I followed all the steps faithfully and still had bubbles. Supposedly, they were supposed to go away after a few days, but of course, that didn't happen. Moreover, after some time, it started to peel off even more! Something expected

It is good. Especially if you are looking for an affordable tempered glass, this is very cheap. Although there are thicker and more expensive ones, this one also does the job. My phone has not fallen yet with the screen.