Poor service from cellc!!!

Cell C has got to to have the worst customer service ever. For over 3 months now I've been having problems with my network coverage in my area and I've reported this problem to them. The first time I logged a call, cellc didn't even get back to me to inform me they've resolved query without even calling me. When I called the center the guy I spoke to said well they saw that I was using my data and decided that I have coverage in my area, closing this query without me knowing I then spoke to this guy and explained the same problem, he suggested I follow the data roaming settings to set up my device.

I did that, still didn't work. I phoned in numerous time afterwards and every body explained the same thing I need to do yet no one could answer me to tell me why I don't have coverage in my area!!!!!

Recently I logged another call and I was told that it will be logged to the relevant department, I emailed for a follow up because during the day I'm working and whenever I'm at my house I cannot do calls or receive them so I have to do what I need to on my phone outside of my area. I am still waiting on a response and too afraid to even call them because then they'll be telling me again the query has been resolved because they can see I'm using my data,but they have no idea where I have to go to check emails, do banking or even calls.

I've been with cellc for over 2 years now , recently had an upgrade, but I'm starting to regret this decision because if this goes on for good I'll be sitting with data that I cannot use and paying for a contract that doesn't serve me well at the end.

Can someone please explain to me why I have no coverage in my residential area?????