DIscovery Bank App complete disasaster

I am a secondary account holder on my husband's Discovery credit card. My credit card expired at the end of March. He app**** for a new one on Discovery Bank. We were told that the only way to get it was for me to onto the Discovery Bank app and organise delivery through that app. But when I went onto that app it wanted to register me as a new client and there was no option for me to organise delivery of the card. After 2 phone calls to Discovery Bank, which amounted to being told to delete the app and wait a few days and then install it again, I managed to get a message saying there was an outstanding action, and that finally allowed me to organise delivery. That process took a few hours. So now I have the card. Two things have to happen. My husband has to authorise the card to activate it which he did. Now I have to activate my card by opening the app. But when I open the app, it sees me as a new user and the only option I am given is to tell the app my current monthly income and order a new card. I don't want a new card, as I have the un-activated card from my husband. And I have a Discovery Card in my own name. But this ridiculous app does not offer any option other than to tell them my salary and order a new card. Meantime a month has passed and I have not had my card, and now I have it I can't activate it. Can Discovery Bank explain why it has this absolutely pathetic app. Why can't it find a more streamlined and efficient way for a card to be activated? I have spent another few hours on this and still can't use the card. This is very frustrating as I use this card for all business purchases. For one month I have not been able to make any.