Theft in addition to service problems

Over a couple of months - I repeatedly said I find the sms's that I'm subscribed to some service abusive as I never subscribed and do not wish to subscribe and should not need to watch and stop them charging me for something I didn't ask for. That's like watching a ******. Then on 25th of October, my sms's stopped - and I communicated a couple of times with the customer services, to no avail. It was supposedly escalated. I also mentioned that I could only message MTN customers and not Vodacom from outside the country , thinking wow - might solve this. Once I was told my usage was set to zero and I should change it - and I asked why and how (I didn't then ask to reset it) - seeing as I had a perfectly normal working plan with limited sms's that work fine when in country and that I can't use out of country (seeing as I only need to sms one person in SA that is not with MTN). The implications are that I am no longer receiving any of my bank notifications which has serious implications and endangers my account. Not only that - but since July the monthly set amount of R198.23 didn't just go up a couple of rand each month - but on the 30th of Nov MTN stole R1293,18 out of my bank account. I'm still out of country - I only roam sms's and calls which I'm not using. So there is no reason for the R198.23 becoming more. And I ONLY use plans with limits and top-up functions. And I most certainly did not subscribe to anything - or had to stop anything since I didn't get the date **** subscription messages - and I didn't buy a new phone.