Make a circle around the perimeter with a knife: Make a small cut with a knife around the perimeter of the protective film and use your hands to tear the protective film from the edges.
Heat with a hair dryer: Use a hair dryer to heat the protective film so that it softens and then wipe it with a hard eraser or a soft rag.
Scrap along the edge with a waste card: Use a waste card (such as a bank card, advertising card) to scrape along the edge of the protective film, tear the protective film aside by hand, and then wipe off the remaining offset with a rag.
Soak with essential oil or wind oil essence: Apply the essential oil or wind oil essence to the protective film, soak for 15 minutes and wipe with a dry rag, if the dirt is difficult to remove, you can extend the soaking time and wipe vigorously.
