Worst customer service ever

First and worst contract ever,took it in September and I have been making upfront payments but whenever I call and ask for the balance it never changes,they are unreachable when u need their assistance,agents are not professional they don't seem to know what they are doing as everytime I call I get different scenarios,I paid on the on the 1st still getting massages about making the payments,I'm told the money that I paid upfront is in the bucket which they even fail to explain why instead they just hang up when looking for answers,I wouldn't advice anyone to use your service shame🚮