1.Please test it before your installation.  This is not an easy job for someone who has no technical skills with Disassembling or Assembling , so only purchase this item if you know how to install. We will use good packaging, After receiving the parcel, please check the parcel in the appearance. After receiving the goods, please do not install, testing the goods first. 2.LCD is Fragile and easily broken or work unproperly by installation mistakes. 3.If you are not good at replacing the LCD, please do it by a professional  person or repair shop.