Vodacom sucks!!

I am receiving a ****ty service frm vodacom is not funny. took an upgrade contract with them and it was activated on the 1st of June. the data loaded is incorrect. i signed up for 50gday and 30g nite data. they loaded 30/30. i have been trying to get this resolved since last week. spoke to a million consultants with no help. spoke to zinzile last week friday and acknowledged the mistake. she told me the data will be loaded in an hour, till today dololo. the FB consultants told me that the sales consultant will call me. That was last week friday. till today, dololo. spoke to a guy by the name of director or something, he hung up on me. spoke to lynette as well and she confirmed the mistake. nothing has been done since. please take note that the consultants i mentioned are a few i could remember the names from the million i spoke to. I want to cancel this contract. someone please help me!!!