Thank you for visiting our After-sales service page. Here, we hope help to solve any issues you meet. We provide 30 days replace / return for our products, 12 months free repair and lifetime free technical support. If you have any problems, kind please send E-mail to support@cacoystore.com, and remark your purchase site, order number, product name and  description for your problems, and we will be the first time to deal with your issues.