Vodacom bad service and bad communication

Recently someone attempted to upgrade my contract that I have with vodacom over the phone. Fortunately the call got cut and the agent from vodacom called back on the number that is on contract, that is when I communicated that it was not me who attempted the upgrade and that it should be stopped. I then received a sms with customer order number and at that point I called them to find out what is happening. I was told that a note was made for the upgrade to be stopped. I proceeded to the vodaworld branch for assistance. a agent at vodaworld emailed my ID and affidavit to the ***** department for further investigation. since then I have had to constantly follow up with vodacom about this issue. yesterday I was told that the issue is not ***** because the phone was not dispatched and that what needs to be done is reverting the term date to the original term dates. a service request was logged for this on Wednesday to change the term date. I was told that it takes 24 to 48 hours to process, 3 days later the dates have not been updated. when I ask the agents how the person who attempted the upgrade knew that I was due for upgrade while I as the account payer did not know, no answer.