Did you ever set up an account on the app ? If you did you should be able to make all those corrections. Otherwise you must call customer service which is currently overwhelmed with calls from folks looking for their stimulus checks which are not going on the cards. So if this is just to reactivate the card for the second stimulus check then don't waste your time.
See this information from the IRS:
https://www.irs.gov/newsroom/treasury-and-irs-begin-delivering-second-round-of-economic-impact-payme...
https://www.sbtpg.com/coronavirus-stimulus-payment-info/
