1. Please follow the installation steps from the video. 2. High definition and high sensitivity. With a thickness of 0.01mm, you can experience the highest original screen quality and keep the original saturated color of the screen. 3.Touch without delay, fingerprint unlock in seconds. Automatic repair Technology. The small scratches will disappear automatically in 48 hours. 4. The new upgrade comes with a positioning sticker, which can be repeatedly positioned in the correct position without the need for film artifacts. 5. Note: Make sure there is no dust before installation, if there are some bubbles after installed, please use scraper to take them out, if can't, please don't worry, the bubbles will disappear automatically within 24 hours. ATTENTION: If you have never installed a hydrogel sheet before, we suggest you to scan the QR code to watch the video or you can search “hydrogel sheet installation” on youtube web. We have included a card that can be scanned to view the installation video. High definition and high sensitivity. With a thickness of 0.01mm, you can experience the highest original screen quality and keep the original saturated color of the screen.