O2

Hi there filks, I have 2 o2 accounts. 1 for my son and 1 for me. i want both on the my o2 app. at the minute, only my sons tarriff and stuff can be seen but i cant seem to add mine. How do i have both on there?

How do I see more than 1 account on my O2 app. I have 3 accounts and I can only see my son's and not mine or my wife's