Mweb poor service

I’m frustrated up to the moon 3 weeks no one is willing to help. This account it was initially in my name ***1 because of moving homes I call and ask to do change of ownership and take a new contract to the new home . The *********** agent did wrong things now who must suffer she added the device to the same account device username ***0 come debit I was double debited for the old device and the new device that is not even working I’m tired I’m bored and my anxiety level is high. If I call I send to pilar to pilar. I have never been so disappointed like this Can someone help or where can i take up this matter now . Unhappy customer Eveline ***