If you plug one of those into the Raspberry Pi 4, it detects it as an audio accessory like earbuds or a 3.5mm adapter because of the incorrect resistor setup. As a result, the cable doesn't supply ...
The firmware included with the Raspberry Pi 2 Model B version 1.2 introduced the possibility of booting from a USB device: before that, it was only possible to boot from an SD or microSD card. But ...