I need to update my personal details

[772007]

I need to update my name and date of birth and address 

[772007]

How do I do this online? ThNk you 

[madasaf1sh]

@772007 

You cant is the answer, and it sounds like you are trying to transfer an account into someone elses name via the back door

You can change your address online, but not your surname or date of birth 

https://www.o2.co.uk/help/account-and-billing/changing-personal-details