(2) Do not install the item immediately after received. Please try to check the item function by just plug the flex connector to your device firstly. (3) Please make sure to test it first. Determining quality is fine, work properly, no scratches and then installed. (4) Any questions, please do not worry, we will provide good solutions within 24-48 hours. (2) if you don’t receive the items after 10 days, please contact me as soon as you can. I will do my best to resolve the problems. Have a Beautiful day!