Jason FaulknerWednesday, April 21, 2021 While most players update their consoles entirely online, it is possible to perform an Xbox offline update. Both the Xbox One and Xbox Series X|S allow users to download system updates and install them without having the console connected to the internet. It’s a relatively straightforward procedure, and we’ll detail it below. How to perform an Xbox offline system update Users can perform an Xbox offline update on both Xbox One and Xbox Series X|S consoles.