To apply a screen protector to an LG phone, clean the screen with a microfiber cloth. Tape the protector to the side of the device. Slide the phone sideways so that the tape sticks to the underside of the phone, and remove the bottom part of the screen protector.
Another way to apply a screen protector is through the end to end method. Align the end of the screen protector exactly with the edge of the phone. Peel the bottom layer of the screen protector off just enough to stick it to the phone. After that, continue to pull the lower part while pushing down with a credit card.
No matter which method you choose, be sure not to touch the sticky side of the protector. After applying the screen protector, sweep the air bubbles off the screen with a credit card.