How to change Android system boot slot form A to B

fastboot • help - fastboot set active slot Super Partition Dynamic Partition A & AB Slots Fastboot Detailed Guide munchy•55K fastboot set active slot Hi fellow OP6T users, is there a way to change the boot slot for example from _a to _b within the fastboot mode? I read something about a

fastboot_ error_ failed to identify current slot Then change slot a to b or b to a if phone already slot a first set-active=a or b Bootloader