Command failed fastboot: error: Device does not support slots

Cant get to isntall eOS on my Oneplus 6 fastboot_ error_ failed to identify current slot If I ignored the error and tried to flash twrp , I'd either get the Failed to identify current slot error listed above or the flash command fastboot set active slot It can be very useful to know if partition slot A or slot B is currently active and you can learn

fastboot change slot The kernel parses parameters from the kernel command line up to “–”; if it doesn't recognize a parameter and it doesn't contain a ' ', the parameter gets passed