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Sign in to My O2

Already an O2 customer?

If you've got a Pay Monthly mobile phone or an O2 Broadband account then we've automatically registered you with My O2 and given you a username and password.

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Not yet registered?

If you're a Pay & Go customer here are just some of the benefits of registering:

  • Check your usage and remaining balance
  • Set up auto top-ups
  • Manage O2 Rewards

Register now

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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.