The worst service

I am utterly disgusted by the service I’m getting from Discovery , I logged a query with them last week Thursday to get my contact number updated I was told it takes 2 days for the query to be resolved it’s been a week no one has bothered to contact me on feedback or even a courtesy call.. this is disgusting.. I’ve called them many times and I was promised that they would call me with feedback before close of business and they couldn’t even live up to that.. it’s been a whole WEEK!!.. I joined discovery as I was promised an excellent service but I’ve received nothing but ***!.