Taken up and down

I need help, I have been trying to either reverse an uograde or cancel it from Tuesday as from sunday I haven't been able to connect to the internet. They say they are escalating it but almost 3 days later I am still stuck. Tried laying a complaint on https://t.co/kRub3uK3gb hoping to get the matter resolved but still. I was just on the phone again with the retention team but it got escalated again with ref ***. I can't be paying for a service I am unable to use. Have been with MTN from 2010 and this is very disappointing to not get help or answers. Yesterday i was transferred to Mondo today they telling me about another complany yet i did this online on https://t.co/Iaj9eIuQof not all those companies. The number in question is *** that is inside a router. Also been sending emails from monday the 9th. No luck ,available on *** or ***