First, pls enter this link:  https://rma.nocpix.com/Second, pls input the info in this page.Third, you will receive a verification code sent to your email address which you input during registration.Fourth, click submit, you will receive an email indicating which service center will receive your device. pls send your device accordingly.Fifth, pls remember your RMA number, then you can check the repair progress here: https://www.nocpix.com/support/service-progress/Sixth, you will receive a notice message once the device is repaired and shipped out.