For Ultrasonic Fingerprint Compatibility! 1. Remove any per-installed screen protectors before installing Dome Glass 2. Place the speaker masking tape on the speaker area of the phone carefully and properly 3. Gently place the installation guide on the glass 4. Wait for the adhesive to touch the bottom of the guide circle before pulling the pin. (Do Not let the adhesive spread below the line before pulling the pin) 5.