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

--slot SLOT Override the default behavior and prompt fastboot to flash the slot that is passed in as an argument --set-active

fastboot get active slot But I want without fastboot command My usecase is the bootloader need to check the currect active slot and set the proper suffix How can I

fastboot set active slot slot ab ; Question How to Install Custom Rom on Redmi Note 12 4G · kdxstars · May 19, 2024 ; Can't boot into bootloader or recovery or fastboot after changing