Help and Support

Manage your bill with My O2

My O2 is an easy way to keep an eye on charges, check your allowances and manage your bills. You can sign in online or download the app.

How to sign in to My O2

To sign in, visit My O2 or open the app and enter your username and password. On the website, ticking 'Remember my username' will help you sign in faster next time. To reset your details, click on 'Forgotten your username or password?' and follow the instructions.

Changing your My O2 password

You can change your My O2 password by:

• clicking on the My O2 menu at the top of the page
• selecting 'Forgotten your username or password?'
• following the four step process, beginning with entering your mobile number or email address.