I do not understand well the reason for the exorbitant price of Spigen screen, making large bubbles. I appreciate their hull Dodger Blue Slim Armor for S4, but their screens, hem ... I doubt very much. (Or I am very clumsy, which is quite possible, I'm very open. My wallet is however the gift of a Scottish friend. (A moth Sometimes When It comes out is ouvert).
I use the "hinge" method (hinge method): [....]
Before handling to position, I wipe the part that will be detached before accession: no need to put dust on the screen positioning. I finalize in the bathroom which was saturated with moisture by using the shower, in order to bring down dust.
There you go. Very nice touch. Nickel look.
I hope my experience will serve to someone.