This product is a substitute and not original. Notes on screen installation: 1. After receiving the goods, be sure to check whether the screen appearance and wiring are intact, perform a functional test on the screen display and touch to confirm there are no problems before installation (The test touch screen can move to the editing icon of each test position, and the icon can follow the finger to move left and right, and the touch is normal) 2. There are two rows of cable tie. During the installation process, please do not pull the cable too hard or twist it excessively, so as not to damage the screen body components. Pay special attention to the protection of the cable installation site to avoid accidents. 3. After the LCD screen is assembled, it must be inspected and tested, and then installed after confirming that there is no problem. Disassembly is risky, and installation requires relevant experience and technology. It is recommended to find a professional installation to avoid damage to items due to improper operation. 4. Please screen and test within one day after receiving the goods, and contact us immediately if you have any questions 5. Our store will not accept refunds and exchanges for man-made damage due to improper operation, and our store will not be responsible for any losses caused by improper installation.