Vodacom - worst ever service...

On 16 Jan I submitted a premature Cancellation request to Vodacom. I emailed the correct quotation form, the proof of payment (3 numbers) and copy of my ID. I have heard nothing back. I redens the email about 12 times. I phone the number for cancellations at least 25 times now (***) and get told that they escalate my query to the back office, that can not be reached by phone. Many times I was told back office will contact me within an hour. Not once, have I received ANY feedback, email, phone call, or what-so-ever. I have experienced some bad customer care in my life, but this is the worst worst ever. Absolutely shocking.