Compatible with: White Samsung Galaxy Tab A 9.7" SM-T550. | Touch panel and digitizer only. Adhesive pre-installed. NOT include LCD Display. | Each touch screen was tested one by one with our board before shipping to make sure it works perfect on your device, no scratch and dead area in LCD, And The parts pack with strong box, avoid damage during shipping way,save your money and time with purchase our parts. | Check if the device could be power on before assemble the screen,if okay,then power off and tear off the protective film on the panel and then assemble the screen.if not,release the ribbon cable and connect again. The scratches, letters or numbers on the screen will go away after the protective film is removed. | 2 Year Warranty, 30-Day return policy so you can feel comfortable with your purchase!