Please note usernames are only for people who are under 13. Usernames can't be changed.ΜύDisplay names are for people who want to do anything public on a Βι¶ΉΤΌΕΔ website or app.ΜύDisplay names show when you're signed in on the website or on the Βι¶ΉΤΌΕΔ iPlayer or Βι¶ΉΤΌΕΔ Sounds app on your TV. Display names can be changed in your Βι¶ΉΤΌΕΔ account settings on the website.
Check out the guidance below as you may be able to fix the problem yourself right now:
What’s the difference between a username and a display name?Μύ