BAB, BAD service from Telkom

This will be my seconde complaint in a week. I submitted my complaint on the 11th Jan to Telkom and still no reply or feedback from them Last year in November 2018, I create an account on the phone with Telkom for a Data contrat. I've asked the person if I can cancelled the contract if I don't get connection, he told me I can cancelled it any time within 3 to 7 days after receiving the equipment. I received the router/sim card by courier, I think on the 15th November. On the 16th, after it was activated, I've tried to get connected for about 4 to 5 hours, with no luck. I've phoned Telkom and managed to get it cancelled with the help of Tracey. I cancelled it online and she told me that it will be arranged to be collected again. Since that day, I've tried on many occasions to get it cancelled by telephone, live chat. I was also told by Ntombu Nkulu once that a courier will collect it, I will receive an SMS. On live chat they told me that it was escalated and someone will phone me. There was absolute no response from Telkom. I still have the router and sim card. Since the first day I haven't used it, it is packed in the box and i am still waiting for the collection. I've already received 2 Invoices, one was already deducted from my bank without using it. PLEASE Telkom, can I have assistance to get it cancelled and refunded as soon as possible.