Manage your bill by signing in to 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:

• Going to My O2
• Selecting 'Forgotten your username or password?'
• Following the four step process, beginning with entering your mobile number or email address

Changing your security question

You can change your security question in My O2 under the ‘Manage my personal details’ tab.

If you’re unable to log in to My O2 and need to reset your username or password, you will need to get in touch with us.