It is possible. Under bright table lamp light, any dust is very obvious. Just use the provided sticker to stick on and off the screen to get rid of dust.Dust free is totally near impossible. For UV glue TG, got dust = gg liao. Cos u cant pry up and remove it... So before lower the glass, better check again
But if your environment or room is very dusty and smoky then it will be impossible
Takes some detail oriented work but nothing complicated
Ya, if there's any dust, the protector won't lie flat and there will be bubbles.
Learnt my lesson in the past when i wasn't so anal about dust particles

