You can request a new debit card in the app by first navigating to the Money section.
Tap More
Tap Manage debit card
From here, you can freeze your debit card as well as order a new card.
Simply select your reason for ordering a replacement and follow the instructions provided. Please note that your first replacement card is free of charge. After that, the cost of replacing your card will be $5.00.
Alternatively, you can call 855-726-4885 to request a new debit card.