Compatible Model: for Samsung Galaxy Tab A 10.1 2019 SM-T510 T510 T515 T510F T515F LCD Display Touch Screen Digitizer Assembly Panel. Before the product is shipped, professional and systematic testing will be conducted, with perfect boutique packaging and efficient customer service to deliver it to the buyer as soon as possible. Installation Guide: Before installing a new screen, wipe the screen cable connectors with an alcohol cloth to avoid poor contact caused by stains, Warranty: 3 months. When installing, caution and professional skills are required. Please be sure to follow the instructions and steps during installation to proceed with the operation. If you encounter any issues when receiving the package, please contact my customer service personnel as soon as possible. We will provide you with after-sales support.