Rcs and blue label are a ****

RCS and blue label are ****mers I got a call that I received a R500 voucher for being a loyal customer and I had a zero balance on my ACC and boom 💣 I now owe 600 that I know ow nothing of

I was never told I have subscribed to a monthly fee of R299

I asked for the account to be closed now they are refusing saying I owe money which I don't know for what