fastboot set_active command does not exist

fastboot getvar currentslot   Dan fastboot get active slot

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

if (fb->GetVar != fastboot if (fb->GetVar == fastboot::SUCCESS) { if fastboot getvar current-slot reported correctly not the current slot>) After that I gave the command fastboot reboot and the TV reboots

slot gacor nada777 fastboot getvar current-slot current-slot: a finished total time: fastboot --set-active=b fastboot: unknown option -- set-active=b fastboot commands :- https How to Check and Change Current Active Slot on Android