You can use the tools provided by watching the instructional video online to replace the screen. You can also seek help from professional technicians.Product Type: LCD Display + Touch Screen Product name: mobile phone screen replacementProduct Material: AMOLEDLCD Kit: YesProduct Color: Black Quality control: All are tested before deliveryProduct touch screen: Capacitive screenProduct size: 6.5inch(Long Window)Product resolution: 1560*720compatible phone models1 : For Samsung Galaxy A51 A515 A515F A515FDPackage Include: 1xLCD + 1 Set ToolsNote:If you are unfamiliar on fitting the replacement screen, it is recommend you to search to see exactly what is involved in replacing the screen.When you want to install the screen, do not press hard on the edges of the screen. This will easily crush the screen.Please contact us if you have any further questions.When the package arrived, Please face to face the shipper to check whether it is damage, if it damaged, please refuse to accept the package, the package will be returned, I will give you a refund.