Standard bank mobile

Warning, please don't take out any mobile contracts with Standard bank Mobile, the been charging my account with any amount they like and they don't come back to me regarding my charges, till date I have not received any airtime. I call the number provided but no one answers just music, which I must pay for to listen too🙄. I will close all my accounts with Standard bank if they don't resolved the matter today. See a few complaints on here regarding there mobile service. But they don't bother to reply to any of them.