MEDULLA Tempered Glass is designed to provide premium look with coloured edges and glossy finish. Installation Instructions: 1. Please use the alcohol swab and the microfiber fabric to clean the screen before installation. 2. Peel the protective layer off the adhesive side. 3. Carefully align the glass to the screen. 4. Press in the centre of the glass then adhesive part will spread all over smoothly. Package Includes 1 x Tempered Glass, Installation Kit NOTE: If you find the fingerprint unlock doesn't work after the screen protector is installed, please reset the fingerprint.