Dstv hotspotter unapproved debit

Dear hello Peter, my experience with DSTV is that they called me about upgrading my old decoder to dstv explorer. I agreed and they delivered,aftet a month the called me again to introduce hotspotter product and i said not agree to it, i told them i was going to think about it, just to dismiss them. At the end of the month they debited R159 from my account, i told them i did not agree to take the product. They promised to cancel the debit order, that was in february, they debited again in March, i sent them an email complaining about it. They sent me an email aplogising and promising ro cancel the debit order, they sent me the debit order cancellation and the did not debit for april. I just saw the bank notification for may, even though they have sent the proof of cancellation. I told them i want all the money they have taken from my account. They promised to resolve my quiry but nothing is happening. They told me my quiry was handled by Ndumiso Mthiyani, i have waited since, they then told me my quiry was handled by Camerin Fortein and im still waiting. Their email address is supprt@ hotspotter.co.za

Kindly assist me