Mobile:Profile
From xat wiki
How do I change my Name, Avatar and Home Page?
To change your name, avatar or home page tap the "Me" icon (example 1) and enter your desired name, avatar or homepage and tap "Save" to save the changes.
Viewing a profile
To view someone else's profile, either tap their name on a chat interface, or from the user list.
How do I reset my ID/user data?
To get a new ID, you need to logout of the application by tapping on the "Logout" button at the top left, and then "Confirm" on the dialogue that pops up. The application will then ask you to login, or allow you to register a new account.