@Dimi
If you have changed to a rolling plan the voucher is now useless to you and cannot be refunded so your best option is to sell it on.
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.
