I honestly think discussing why you can't get credit back is relevant to the question asked.
Discussing how much credit other people have on their phones isn't.
I have no affiliation whatsoever with O2 or any subsidiary companies. Comments posted are entirely of my own opinion. This is not Customer Service so we are unable to help with account specific issues.
Please select the post that helped you best and mark as the solution. This helps other members in resolving their issues faster. Thank you.