I have an iphone 8. i tried installing a zagg glass + screen protector my self and ended up with bubbles . i then went to best buy and had the tech there install 2 of them because they both had problems around the edges. the one that is on there now has some air pockets around the top and side of the right side. I would like to get a screen protector on my phone that has no bubbles or air pockets. i was thinking of going to the apple store and have them install the belkin one with the machine. Any suggestions