Wonga Finance Sa license for operations should be revoked in south africa

Worse micro financing company please stay clear i called there help desk to inform them that i have changed bank details and before the date of the load payback only to be told that i can only make arrangements after the repayment has bounced I then sent an email questioning this act as it is a clear ********* practice and had no response i got a sms stating that my account has been handed over to blake service 15 days after and now i must pay for wongas incompetence I dont think its fair and this company license t o operate in South Africa should be revoked zero attempted in contacting me me zero attempts to arrange payment what kind of bussness are they running