cancelling bad adsl service

i signed up my cybersmart account on the 08-09-2015, immediately i had pathetic adsl service. i left it for a while thinking it will come right after a while. i am three days into the contract and the service is absolutely pathetic. i called the call centre and they say i cannot cancel my contract immediately. i have to wait till end of october 2015. this is utter nonsense. and i have to pay R390 to cancel the contract. this is totally unfair as i have to suffer till end of october 2015 with the bad adsl service. they only refer to there terms and conditions all the time. and say they cannot cancel it immediately. anything in life can be amended. they just choose to be difficult. <br>