No Signal

My sim has had no signal for over a week. I have to go to a branch to get a sim swap and I have to pay like it's my fault. I have been having non stop problems with telkom and going to their branches is even worse. I loose signal on my router on a regular basis and my phone sim has had no signal as I said. very dissatisfied with this service and cannot wait for my contract to end. They have great deals but service is poor. very poor. very very poor. The branch in Festival Mall kempton park is the worst.