Illiegal upgrade

I've received 5 sms's from MTN, that I've upgraded my MTN contract on Tuesday 27 October 2015, yet I did not.<br> I've phone the call center supplying all the information and was informed that they will sent me an email with a ref number - nothing received to date. All the information confirmed that an upgrade was done - even the next upgrade date change to 2017.<br> Again phoned and spoke to Kamogelo Mosome and reported it again - I've received ref number ***. <br> ON 28 October 2015 - Following up again and was informed this is the wrong process and must phone the ***** department, they in return, in formed me I must follow up with Forensic department, but don't have the number.<br> I Phoned the call center again and Eren Evans informed me (after I had to spell Forensic) they don't have the number and I must phone the reception for assistance. I did that without any reply on the number supp****.<br> <br> Can you please assist - I did not do an upgrade and don't get any assistance from MTN to resolve this issue<br>