on 08-07-2024 17:17
on 08-07-2024 17:20
on 08-07-2024 17:20
Hopefully you cancelled it in the correct manner Guide: Cancelling Your Contract
But either way there is naff all anyone from here can do to help you, will have to contact o2 and speak to them Guide: How to find help & contact O2
on 08-07-2024 18:01
You still get a final bill a month after leaving.
https://www.o2.co.uk/help/account-and-billing/leaving-o2