1. After removing the old film, wiping the alcohol swab, and removing the dust, pull the [BACK] sticker to remove the protective film on the back.
2. After sticking to the liquid crystal as it is, use a jig to slide it from top to bottom.
3. Remove the front protective film by pulling the [FRONT] sticker.
4. Use a jig to clean up the remaining air bubbles and finish.