Poor service

I asked for capped billing contract so when my bill came it has some extras on it called to ask why,I was told that the capped thing is not guaranteed how on earth is that,Mr price mobile aint on their Phones aint even strong in less than three months their speaker phone is even dead wen you call their call center they tell to email the group when you do that they dont reply,i just want termination as soon as possible i can take it no more...