can The Flipper zero break into a password protected phone yes and no let me explain a bad USB is basically a fake USB it looks like a normal USB but it doesn't act like a normal USB it typically emulates a keyboard and can be used to execute whatever commands you would like the flippers hero can also do that when plugged into a phone after plugging in The Flipper to the device using the bad USB function someone may launch a Brute Force attack which is basically executed code that will try every single password combination until the correct password is entered but and this is important this Brute Force attack only works if the device is an Android and also if the device doesn't have a set amount of password attempts before it completely shuts you out which most devices do