Without a phone 3 months

MTN, closing on 3 months now that I am without a phone. As per my previous posts and messages and emails, none of which have helped in moving the matter forward, I consider my contract cancelled as of the end of June, and I am expecting a refund of all amounts paid for my device since commencement of my contract. Please confirm your understanding of the above as a matter of urgency (and refer to my other correspondence on the matter). If I do not get a satisfactory response on this matter I will be forced to lay charges of theft and ***** against MTN for a) withholding my device, and b) for making ********** debit orders on my account as I have never given debit order authority to MTN. Ridiculously sloppy and unprofessional service all around. I will be happy to throw in a few banners as well, they seem to get the attention of cell phone networks a little faster than any other means of communication.