First try looking in My O2 under Manage Cards for Payment. There is a section to set up a new DD and remove the old one.
If not Ring or Message Payment Management
You can reach the Payment Management team on 0800 902 0217.
The opening times are:
Monday to Friday – 8am to 8pm
Saturday – 8am to 6pm
Sunday – 9am to 6pm
Or Message them
Facebook (https://o2uk.co/O2CFB)
X (Twitter) (https://o2uk.co/O2CTW) or Instagram (https://o2uk.co/O2CIG) ,
they should be able to help you
This is not O2 and we are all customers here similar to yourself and cannot answer account type queries.
