High level of unprofessionalism ********** and Bad Service

Hi my Name is Adolph Boshielo, I had a Cell C data contract home connecta for 5G +5G night subscription of R100,contract no:***, it ended on August, September they debit R215 I called them I was told I should have called August to cancel it because it does not automatically canceled, I then asked the lady to cancel and deactivate the Sim because I do not need it anymore, she did cancel according to her and give me this *** and she said they will debit R485 end of October then it will be canceled, to my surprise today 01/12/2022 I woke up with a debit from Cell c of R285, can someone explain to me what the hell is happening here, from September I have never used that Sim card because it's deactivated yet I have been debited money monthly for what exactly? If Cell C is in a business of ******** me they must just tell me. I need my money you guys took from me from October and November, Regards Unhappy Client Adolph Boshielo ***/***