Worst service provider in S.A

I have had patience, and now I am following the last resource. I am so exhausted and frustrated with Cell C. Never had these problems with Vodacom. We are struggling over a year with a router that doesn't work properly and no one gets back to us with a resolution. This afternoon I received a sms to say my account is in arrears, I tried to phone customer care to make payment arrangements, but I failed my security questions and the consultant didn't want to verify it again, she said I must either call again or go in to a store. Cell C has just caused us a lot of aggany and money. Going to the store on Tuesday to cancel this service. Not recommending Cell C to anyone I know.