K5150 USB ****le not compatible with Apple El Capi

Hi<br> I bought a new K5150 4G USB ****le from Vodashop Century City on 4 Sept 2015. Everyone was aware that Apple was releasing a new OS system called El Capitan at the end of Sept. After upgrading the Mac software, and trying to run the Vodacom software my computer crashed. I contacted Apple in Ireland who helped me to re-install my software and told me that they are aware of a compatibility issue. Spoke to Vodacom on 6 October and they told me that they were in the process of upgrading their software and release was for Oct. After many emails and phonecalls i get told that \As per our your discussion with Arthur previously