Bad customer service 😡 😡 😡 😡

I'm been having network issues with my Vuma router and I called and they logged a call and even gave me an incident number SR***. They promised to come same day and even now they haven't and when I call their numbers are not going through, because I'm even thinking of canceling and signing up with a different service provider, but I can't do that coz I'm being told that I should firstly cancel with Vodacom as my service provider. So I'm really not happy with Vodacom because they don't live up to their values and promises It's gonna be 2 weeks now without a connection . My ID numbers is ***