For OPPO A54 4G IMAK 9H Surface Hardness Full Screen Tempered Glass Film Pro+ Series 1. Ultra-thin and excellent flexibility, you do not have to worry about the device response speed slowing down after applying the protective film. 2. High hardness: This tempered glass film has high hardness, which helps prevent scratches or breakage. If damaged, the glass breaks into small, non-sharp pieces to help ensure user safety. 3. High definition: The film offers high light transmittance with low reflectivity, allowing the screen to maintain clarity and definition. 4. Function: The protective film precisely fits the device screen and helps protect against scratches, fingerprints, water, oil, dust, impacts, and sliding. Contaminants such as water, dirt, or oil can be easily cleaned off. 5. Smooth surface: The entire surface, including the edges, is smooth to the touch. 6. Easy installation: Features strong adhesion. Simply clean the screen thoroughly before application. 7. Durable: Designed for long-term performance and reliable protection. Installation notes: 1. Use alcohol swabs and a microfiber cloth to clean the screen before installation. 2. Remove the protective layer from the adhesive side. 3. Carefully align the glass film with the screen. 4. Press gently from the center to allow the adhesive to spread smoothly and eliminate bubbles. Reminder: 1. As this is a glass product, handle with care, especially around the edges, which are more susceptible to damage. 2. Reusing the film after removal may reduce adhesion and affect performance. Reapplication is not recommended. 3. Avoid using excessive force during installation or removal to prevent damage. Note: Refer to the product title for the exact compatible model, as it provides the most accurate information.