Easy tempered glass are similar to Spigen EZ-fit screen protector, which are case friendly and give just the right amount around all the edges, so it works with armor case and will not lift up the tempered glass by the mobile case.
The screen protector installation is very easy as the glass protector come with assignment tool, It will works flawlessly.
No air bubbles. The tempered glass protector are full glue with HD optical AB glue. If you clean the screen well by the wet wipe and tacky paper provide in the kits, and you will not have any problem about the air bubble come out. In case there is a bubbles appear then you could take a card to squeegee and press the air bubble out towards the edge of the screen.
What if my installation is failed in the first try. No worries, our tempered glass could install several times. And if you want to use a new tempered glass, please follow this ways: remove the screen protector you messed up, re-clean your mobile LCD screen, and try again wit the second tempered glass.