Still No Refund After 3 Months

I placed an order at the end of March & paid the required amounts owing instantly as part of the online process. 2 Days later I cancelled the order and proceeded to lodge a ticket and communicate via WhatsApp and telephone of the request to cancel same & via email as per Q &A on website. To cut a long storey short, on the 22nd of April a ticket was finally escalated for the refund and confirmed all required information is in hand. I phone weekly to inquire on the progress only to be told it is in the hands of the person responsible for refunds and they have everything they need. It is now 3 months later and the refund owing is still not actioned. How is it possible for a company to be so dysfunctional and still remain in business and be associated with MTN ? Note - No service was activated, no equipment was delivered making you think the process should be easy.