Unprofessional business conduct

App**** for the Uncapped All Hours 24 hours internet deal R899 p/m on Wednesday, 16 January 2019 and it got finalized on the same day, this morning 18 January got debited the full monthly premium amount and not even a Pro-rata amount as today is the 18th of January, also I was debited for a service I have not even started using as my order has not even been delivered to me yet.