Inconvinienced by fnb

I have been very inconvinienced by FNB, went there to change the account to my brother's name, I'm still the Administrator though. The account was removed from my app, cards cancelled, given temp card which i could not transact with due to limits. I've been calling the fnb business, no one could help me. I can't do online banking, the message keep on saying i entered wrong details. I stayed for 4 hours in fnb Vincent park, East London, trying to sort the same problem. I waisted a weekend in East London, couldn't pay for anything. The branch didn't even have a phone that i could use, i had to use my own cellphone. Just called business banking now, i have been holding for 17 minutes. This is not fair at all. The online people are saying, there's nothing wrong, but i can't transact. On the app i am able to log in, but on the computer i can't. The Indian lady who increased my limits over the phone said i will only be able to transact on the computer not the app because the system is reading my business account as a new account. I am very angry right now. I have never dealt with a bunch of useless people.