Use hard cards, credit cards, etc. Wrap the credit card with a soft cloth that just wiped the screen, and then slowly and forcefully scrape the bubbles out of the edge.

1, clean up the dust and oil stains on your hands first, and then wash them with hand sanitizer. 2. Wipe the surface of the mobile phone with glasses cloth or lint-free soft cloth with a small amount of water to clean the dust and fingerprints on the surface. 3. Tear off a protective film, then aim at the phone, aim at the top, left and right sides, and stick the film. 4. When sticking the film, try to maintain a uniform speed. If bubbles appear, please pull back less to ensure that there are no bubbles on the surface of the film. Then use a wool felt scraper or a scraper with a pad to avoid scratching. Apply the film slowly bit by bit and press it on the surface of the phone. In this case, there will be no bubble soon. 5. After pasting, repair the air bubbles in some areas. Use hard cards, credit cards, etc. Wrap the credit card with a soft cloth that just wiped the screen, and then slowly and forcefully scrape the bubbles out of the edge. 6. If there are dust particles on the surface, please uncover the cover, stick the particles with adhesive tape, and then stick the film.