fastboot set_active command does not exist

fastboot set_active command does not exist fastboot set active slot This command provides information about the active slot from which the device is currently booting user $ fastboot getvar current-slot Dump fastboot getvar currentslot First you need the actual fastboot, 3 Then the correct command is: fastboot --set-active=a

fastboot set active slot But i cant uninstall those modules without twrp So i decided to flash twrp into a boot slot via fastboot then, i set the active-slot to that but then I still