fastboot set_active command does not exist

I am trying to root my Xiaom mi a2 phone But i am stuck on changing the active partition When i enter fastboot set_active b it doesnt

fastboot set_active command does not exist By default, fastboot flashes the current slot on an AB device If the update package also contains images for the other, non-current slot,

I am trying to root my Xiaom mi a2 phone But i am stuck on changing the active partition When i enter fastboot set_active b it doesnt

cleopatra slot machine big win All file download from MiFirm is Free Fastboot firmware, ZIP firmware is official from Xiaomi EU ROM, TWRP and Other files is unofficial Use at your own risk

If you device randomly got stuck in fastboot after a reboot, that means the counter hit zero and the bootloader marked your slot as unbootable

change slot From there you can run fastboot getvar current-slot to see which slot you are on And you can change slots using fastboot --set-active=the slot

change default USB-C port mode to Charging-only when locked from Charging slots in the secure element needed to derive per-user key encryption