1、Compatibility: The product is suitable for Redmi 9T mobile phone LCD screen. Please confirm your phone model before purchasing. 2、Range of Application: Used to repair faulty screens, cure, replace cracked, damaged, dead pixels, touch not working, touch response issues, display issues, wrong color issues, non functional screens, etc. 3、Quality Guarantee: All products have passed strict QC double test before shipment, 100% intact. Make sure there are no scratches, dead spaces, dot pixels or lines on the screen. 4、Test Ahead: Please test it before installing it to your phone, please confirm that all cables are well connected, the cables are fragile, do not push hard, and be careful when handling. 5、Installation Notes: With removal tools, but no installation instructions, not recommended for inexperienced installation, make sure you know how to install it before buying, it is not acceptable to return the screen after trying to install it.