Your Xbox username is how other players see you online, and you might want to change it for personal reasons, to match a new gamertag across platforms, or straightforward because your preferences have shifted. You can update your Xbox username directly from your phone without needing a console or computer, though the process involves a few specific steps through the Xbox app or your Microsoft account settings.
These articles walk you through how to locate the username change option on your mobile device, what information you'll need before you start, whether there are any costs involved, and what happens to your gaming history and friends list after the change takes effect. You'll also learn about any restrictions on how often you can change your username and what naming rules Xbox enforces.