Just register and log in to the eVisa website and you'll be able to see the requirements.They do differ a bit compared to a single 60 days tourist visa,for example when it comes to financial proof. They also differ depending on nationality.
It's not only Bangkok Bank,KBank does the same thing. Is your phone number registered in your name? Thats what this is about. You might have to visit your sim-card provider and get a receipt showing your phone number and your name. Then go to your bank branch.Bring bank book and passport and update the info.It must be done in person.
I really enjoy reading feisty comments between tourists about how to withdraw money the cheapest way in Thailand. That's why I love my KBank (or Bangkok Bank) card. No fees whatsoever. 👍