You have been successfully logged out
Forgotten your username or password?
If you've forgotten your My O2 password, just enter your email address below, and we'll email you a link to reset your password.
Unsure of your My O2 username? It's usually your email address. To find it, click 'Find username' below.
Step 1 of 3
Your My O2 username is usually your email address. Enter your email address below, and we'll send you a link to reset your password.
If you've forgotten your username, click 'Find username' above.
Your My O2 username is usually your email address.
To find your username, enter your UK mobile number below, and we'll text a code to you. You'll need to enter the code on the next page.