Poor service and poor customer service

Poor signal or client service. We've been struggling for a month now. The technician came out and said it's the tower. Now the tower is fixed but still poor signal. We are lucky if we get 28mbs. Yesterday we got 0.9kbs. When you phone them they just reboot from their side and then you reboot from your side. But still not better. They say they'll call you back but they never do. I'm going to cancel my subscription and they shouldn't expect payment. Seeing though I had poor signal. And struggling