【About the product】 This is a replacement part for OnePlus 7 Pro. Please check if the model is correct before purchase. 【About delivery】 The products have passed the rigorous inspection before being issued, and Carefully packed, if the accidental damage during the delivery process, please contact us in time, we will reply you within 24 hours. 【About use 】 Please watch the operation video on YouTube before using it. We are not responsible for the damage caused during the installation process. If you have any questions, please contact us in time, we will reply you within 24 hours. 【About after-sales】 If there are any non-human factors quality problems, the warranty period is 180 days. Please contact us in time, we will reply you within 24 hours. 【Some suggestions 】 We recommend that you find a professional to help you install to avoid unnecessary damage.