fastboot set_active command does not exist

I managed to set slot A active with no further change and am now struggling to set slot B active fastboot --set-active:a fastboot

To enter fastbootd mode, bootloader writes boot-fastboot into the command field of the BCB message and leaves the recovery field of BCB unchanged (to enable

fastboot set active slot On AB devices, flashed slot is set as active Secondary images may be flashed to inactive slot flash PARTITION Flash given partition, using the

fastboot_ error_ failed to identify current slot First you need the actual fastboot, 3 Then the correct command is: fastboot --set-active=a