Follow along with the video below to see how to install our site as a web app on your home screen.
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The dust shouldn't damage the screen. When you get the new one, to remove the old glass take a piece of scotch tape and make a ring with a sticky side on outside, put you finger inside and use it like a double-sided tape to lift the edge up so you can remove the rest safely.
Before you ready to install a new one, clean the display and let it dry (usually, new screen protectors come with alcohol wipes). Use an open well lit area, wipe the surface (table) down before using it to make sure all the specs of dust are gone. Not sure if you are a guy or a girl, but I usually do my tempered glass installs "topless" lol!!! Your t-shirt/shirt has lint and when you hover over the phone during install - that's how most of the time it gets from your shirt to the glass. Also, the trick with scotch tape - make a few of such double-sided tape rolls and keep it next to you. If you spot a spec of dust on the display during install, you can quickly use the tape to "pick it" up. Another important tip, before you do install, plan ahead the alignment, especially around home button, front camera, led, etc.
I also read that applying it in the bathroom with hot water running helps because the steam pushes all the dust down to the ground resulting in a dust free environment?
Buy device with gorilla corning glass, you don't need a screen protector.