Bad customer service

My account was disconnect in feb and i traveled till thursday and i reconnected my acc on the 25th of march, 26th march my account is been disconnected again, whn i ohone the guy by the name of marven jacobs answered, he said the was usage of 100g after the account was disconnect soo the money i paid goes to that, soo my issue is i tell him that im nit on contract soo if the account was suspended on 25th feb it should sta y that way till i pay, he says thats not their proble if i nanaged to use 100gig whike the account was suspended, no customer service at all no reason aswell soo i can understand, soo by by rain for me