Non cancellation of contract and no feedback provided

I took out a data sim for 800gb as part of the Black Friday deals. Unknown to me the simcard cannot be used without a Home Router which was not highlighted on the adverti*****t. I put my request for cancellation of this contract on 01st of December 2022 with Simangele and she indicated that a request email was sent to the Back-Office for cancellation and no feedback has been received to date. I have followed-up now on 05th of December and spoke to Keshia who said no feedback has been received from Voda Online Services. Get transferred to Online Services (Siviwe) says they dont deal with this contract. Get transferred to cancellation department and they come and wanna transfer me back to the after sales. This department is delaying me in getting a new data deal at a VodaCom shop.