DISGUSTING SERVICE ON PHONE RETURNED AND NEVER USED

We were called from MTN offering us a new contract and new cell phone in March 2018. We decided to take the contract. We received an email from MTN confirming the subscription. The same day I cancelled the subscription. We then received the phone which my husband returned unopened to the MTN Bluff shop and requested that it be cancelled. We were assured it would be cancelled as it was within the 7 days. During the year we have contacted MTN telephonically and been shunted from one person to the other. He finally spoke to an assistant who told him it would be cancelled and we would be refunded the monies that were deducted from our account. When we received the bill in December we find we were charged cancellation fees etc. All these debit orders were deducted for a phone which we did not posses. The SIM was never activated either. We are pensioners and think that this is disgusting service from MTN. We will be cancelling our contracts with MTN as soon as they become renewable to a different service provider. MTN you are disgusting **********......