MTN has the worst service ever

My fiance and myself have been struggling for months to get the network coverage on our tablets sorted out. I have logged various complaints with them and phoned the call centre more times than needed. I even went as far to write on your facebook page and then phoned the call centre to cancel our contracts. They said that someone will call us back for cancellation but never happened. They said that someone will come out to our place but never happened. We took our tablets In for lte sim cards but had no affect. We then took her tablet in for repairs to see if this was the problem at mtn store at tygervalley mall and still the problem is continuing. <br> We have completely lost all respect for this terrible service provider and are now to the point where we just want to get this resolved. We want to cancel both our contract as we dont feel that we have to pay for something we are not recieving. I will gladly take any leagle root I have to, to get this done.