The Helmet Diamond Glass 4D is a protective screen cover specifically designed for the Samsung A01 Core. It uses high-quality tempered glass with a full-surface adhesive layer that ensures the protector bonds securely across the entire front of your device. This thin, transparent layer provides essential defense against scratches, dust, and impacts from accidental drops without distorting the screen's visual clarity. Because it maintains a smooth surface, you can continue to use your phone with reactive touch sensitivity, making it a practical choice for anyone wanting to keep their display safe during daily use.