1. Our shop will sell each product before delivery, and will test to confirm delivery after the product is 100% working normally. 2. After receiving the product, please take a photo of the packaging before proceeding to the entire packaging process. If the product is damaged, please do not raise any disputes. Please contact us, we will replace or refund according to the actual situation. 3. We are not responsible for any loss caused by improper operation during the repair and replacement of the screen. Feedback: 1. Dear friend! Your satisfaction with our products is very important to us 2. Friends, if you have any questions about our products, you can ask them. Please contact us before filing a dispute or leaving negative feedback. We will deal with your problem within 24 hours and provide you with a satisfactory solution. 3. If your friends are satisfied with our products, please give us 5 stars! Your praise is the best support for us.