1. Quality control: All parts has been tested before shippment. 2. Packing: The package for LCD is antistatic bag, then put in a bubble bag or a small box. 3. Information: We share the latest information in Chinese market with all our customers. you can follow our store 5.There was 1 set tools in each package. Attention:Pls test it before you install it on your phone,or the seller will not accept any dispute after. if you are not good at replacing the LCD,we suggest you can ask the local repair store for help you . Any questions about the listing pls feel free to contact us !