Mobile Device insurance

I took a smart phone from FNB and selected an insurance required option.<br> I was contacted after delivery of the device for the insurance terms and conditions I was told that my account will be debited at the end of November. On the 8th of December I received an SMS notifying me about my policy cancellation because of none payment. I been trying to get hold of them on *** that was sent with the email and the SMS and the number doesn't work. I have tried calling FNB insurance and a was transferred to more than 5 people until they drop the phone. My main concerned is I bank with FNB, how can they have wrong account number? How did they get debited orders for the device right and for the insurance wrong? I feel this is ridiculous .