A You can find your serial number on the Certificate of Ownership included in your software kit. Serial number of a xbox one controller Hello I bought a xbox one controller on Amazon the Februand after playing a video game early may the right joystick broke itself abnormally. So how did this happen when the CPUs came from a legitimate site Don 39 t Amazon have a tech dept that checks returns of higher value items Don 39 t they track scan serial numbers before shipping and keep a record All eufy warranties are automatically kept track of in our system so there is no need to is regarding purchases made through this website or the eufy store on Amazon. com by using the item 39 s serial number or the order number. Does amazon check serial number on return So in putting the wrong item in the box you are making the item unsaleable and the store loses money.