Please make sure you have the most updated version of the app as this option is not available in older versions.
You will want to make sure to link your new preferred funding account to your Qapital account. To add a bank connection, head to the ‘Profile’ tab, tap the banner that says 'Accounts' and select the banner that says, 'CONNECT YOUR BANK'.
Once you have your new bank linked to your Qapital account, In the 'Accounts' screen, scroll down to 'Funding Account' and tap 'Change'. You will be able to select a new funding account from the list of valid checking account you have linked with Qapital.