Vodacom Customer Service - NOT ONLY SUCK BUT NON EXISTANT

I have been trying for 13 years (2006) to change my previous name to my current name. I cannot believe the incompetence of the Vodacom staff and Customer Services. I have been to see them personally in 3 different regions in South Africa trying to change to my new name. I have fica several times and I have renewed several contract under my new name but yet the latest July invoices I got was still in my name of 2006? After I just changed to a new contract in June 2018. I have never in my life experience such bad customer services. I have send my marraige certificate to them in 2006 - I have send them my new ID several times in 2011, I have send them my proof of residence each time I relocated not via email but IN PERSON?? at Cresta, Vredenburg and Mall of the South. The staff at the Mall of the South are more interest in their own private lives than their customers. I once sat there for 20 minutes while my consultant was having a dispute with her boyfriend/husband on the phone, it was only when I shouted "CAN I HAVE SOME SERVICE PLEASE!" She put the phone down? Really? What has happened to being being proud of doing your job and serving the customer - she made me felt like she was doing me a favor, yet I am the customer and I am part of contributing to her paycheck? I once again gave her all my new documents and needless to say it was never processed. My statements dated July still have my address of 2006 and my new contract done in (June) has an address of a company I worked for on contract for a few months. Was meant to be the delivery address, the Vodacom Sales Lady just could not get it right - I wanted to pull my hair out. Just how stupid can one be not to follow an instruction - took me a month to get this very compitant Sales Lady to understand and finally my new modem arrived but yet my details on their invoices are still wrong. I had to give them all my latest fica documents before I could take delivery but yet the details on my account is still the same as it was in 2006 ??? What the hell does one have to do to get this simple task done? I have been very patient but I now have had enough. Vodacom customer service not only sucks... but it is non existant. No wonder they are becoming the lessor of the service providers. I cannot wait for my contracts to expire for I sure a hell are going to change. However having said that - are the customer services any better at the others? I am ****ed off and very irritated - 13 years to change a Name ?