Defect Point Line AMOLED Inner Touch Screen Digitizer For Samsung Galaxy Z Flip4 SM-F721B SM-F721U Replacement With Frame

Defect Point Line AMOLED Inner Touch Screen Digitizer For Samsung Galaxy Z Flip4 SM-F721B SM-F721U Replacement With Frame(Test) Please test the screen before installation and take video for the whole process.You only need to connect the The screen flex to the motherboard.(Needn't remove the components to new screen while testing).If there is any problem with the item,Please stop the process and contact us.MATTERS NEEDING ATTENTION :1. After receiving the package, please check its appearance to ensure that it is intact.2. Please test before installation. (Remember!!!)3. If you are not good at replacing the LCD, please have it replaced by a professional or repair shop.4. We are not responsible for any installation errors.5. If you have any problems, please contact us in time, and we will work with you to solve any problems. Thank you for your understanding!Material difference:The difference between TFT screen and OLED screen is that OLED true color screen has relatively high screen contrast and fuller color reproduction, and OLED true color screen is better than TFT in backlight and brightness.Quality problem：TFT and incell without fingerprint function.OLED with fingerprint function.