VODACOM SERVICE SUCKS... VERY SAD.

Am a very unhappy customer of vodacom, i have been patient 6 months after my upgrade date, still cant upgrade, after 100's of emails many visits to the store phonecalls to many to mention... I pay alot of money for my contracts a month but get treated like a person dont exist. I cant understand i still cant upgrade, but get a sms my issue has been resolved... How long must i wait to get my new device after a my date of upgrade. When i try to update it givea a pop up in store... who can help me to get a outcome.. I have been every day and the consultants hands are tied..... They Cant help.....