Insurance bill

[Chlobobov]

I’ve cancelled my contract and left O2. Why am I being billed for phone insurance?

[pgn]

Did you give O2 Insurance 30 days' notice, @Chlobobov?

https://www.o2.co.uk/help/digital-services/o2-insurance

Cancellation of Insurance needs a call, Guide: How to find help & contact O2 

Good luck!

[Enlli]

Phone insurance is separate from your contract and needs canceling separately

It's in your policy documents 

Guide: How to find help & contact O2