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.
You can change your My O2 password by:
- clicking on the My O2 menu at the top of the page
- selecting Update personal details
- clicking on Change My Password in the Sign in section
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