User Activity

Hi, I want to put my Device Plan on Direct Debit how do I go about this, I also have a new Debit Card that I want to use.
I have tried on several occasions and all ways to contact someone to discuss an issue with my tool account £6.99 this was paid at the beginning of the week but I am receiving letters saying that I have broke my contract which I take exception too. I ...
I am unable to send a text, I am told that it is o2 that is at fault error 0