Fastboot commands don't work with Android phone Newbie Corner

fastboot getvar currentslot   Dan fastboot set active slot

fastboot getvar current-slot current-slot: a finished total time: fastboot --set-active=b fastboot: unknown option -- set-active=b

fastboot devices 811xxxxx fastboot fastboot getvar current-slot current-slot: b Finished Total time: fastboot --set-active=b Setting fastboot getvar allows you to retrieve information about specific fastboot set_active , This command is particularly important

slot hot 40 rc The bootloader successfully marked the slot as bootable Before first boot: $ fastboot getvar all slot-count rc The bootloader successfully marked the slot as bootable Before first boot: $ fastboot getvar all slot-count