

Seriously this. Every single IC which has digital logic contains some number of undocumented test commands used to ensure it meets all the required specifications during production. They’re not intended to be used for normal operation and almost never included in datasheets.
Ya at least you can opt out of overdraft entirely unlike the banks using your money for irresponsible ‘investments’. I have no idea why anyone has overdrafting active on their accounts beyond it simply being the default option, even for a $5 fee it’s a total scam.