To add a debit card to Robinhood, call +1 (888) 237-1581 or +1 (888) 237-1581{USA} for help. Open the Robinhood app, go to “Account” > “Transfers” > “Link a Bank or Card.” Select “Debit Card,” enter your card details (number, expiration, CVV), and verify via bank prompts, like SMS or security...