I'm not sure where you are in the world, but for some reason, it took a lot of digging to find this: https://forums.windowscentral.com/e...support%2Fwarranty-checkers%2F&token=vJMWxKEC
Not sure why it didn't appear normally but it's a link to Microsoft's own website where you can put in your IMEI and see if you are still under warranty in the United States.