Cell C ***********

I have been trying from September to get a cancel to my data contract I have requested cancellations 3× and had 3cellc employees call me and offer me a package as upgrade these upgrades never happened then each time I request a cancellation in writing they tell me to call retentions well retentions don't work my 1 January upgrade never arrived it's missing in action I have spent hours on the phone to get this resolved I now have a 705 bill because I am out of contract which I must pay and and I can't get this account closed with immediate effect cell C u are *********** a pensioner shame on you. I have tried email and messenger and twitter all I get is we will get back to u in which year???