Pathetic service wifi worked for only 5 days and stopped till now

I have a problem with Vodacom wifi that was installed on the 20th of February and it stopped working on the 26th and I reported it however it is still not resolved they keep on telling me stories, I urge them to come and take it back because I cannot pay for something that will be a headache in my life clearly this is still going to happen and they will keep on failing us as customers because of pathetic service they render since yesterday evening it keeps on saying connected without internet what the **** is this with a big company like Vodacom i once had a wifi contract with Mtn and Telkon and I never experienced such a thing I want Vodacom to come and deinstall their WiFi i will get another service provider im tired of buying airtime yo contact Vodacom everyday