Changing email address in My O2

To change your email address, sign in to My O2 from a computer, laptop or tablet and follow these steps:

• Select ‘Manage my details’. If you’re in the My O2 app, go to ‘Manage your account’, ‘View all’ and then ‘Manage my details’.
• Select ‘Change my username’ under ‘Sign in details’.
• You’ll be sent a code to your phone.
• You’ll then be able to change your email address.

If you’re not able to access the old email address, please contact us.