Sign in to access your billing details or make changes to your account.
Forgotten your username or password?
If you've got a Pay Monthly account then we've automatically registered you with My O2 and given you a username and password.
If you're a Pay & Go customer here are just some of the benefits of registering:
O2 Wifi customer? You can register to manage your account here, whatever network you're on.
We'll never email or text asking you to send or verify personal, financial or password details. Make sure you keep your details safe and never give them out, even if it looks like the email or text came from us.