@Jina
O2 only do bundles now where credit is taken for allowances.
Unless you top up more than the cost of your bundle, your balance will be zero.
https://www.o2.co.uk/help/pay-as-you-go/big-bundles
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.