Unfair treatment form Telkom and it mobile subcontractor **** actually

Hi guys I was called by an agent saying she is from Telkom MobiTalk, she said she is selling a special offer that will offer me a Samsung A2 Core Cellphone and an unlimited internet router. Because I am studying I was very interested to the router and I do not have a phone then I decided to take the contract as it will help me on my studies. Although I had a contract with Telkom but it was not an unlimited internet access. When the package arrived I discovered that the router is for 1G not unlimited as it was mentioned by Preciouse from MobiTalk. I was very disappointed and I decided to call them to cancel the deal on Friday 14th June and the package arrived on Thursday 13th June, 1stly the agent that I spoke to in they cannot cancel it I must go to Telkom branches they will cancel it. I went to Festival Mall Telkom then they told me that they don't deal with online things I must go back and call MobiTalk to cancel, eventually I forced them to give me their phone to call MobiTalk I cannot remember whom I spoke to but she said she will cancel it.

Unfortunately till today it is not cancelled and I am stuck with this contract that I do not want anymore and worse Telkom is going to deduct R500 from my account. On the other matter Telkom cannot cancel but they cannot cancel