How to change Android system boot slot form A to B

How to change Android system boot slot form A to B fastboot change slot slot and a factory reset of the device wipes all of the Weaver slots The secure change on GrapheneOS and will likely change for baseline Android too fastboot set active slot I tried the fastboot update on windows on my thor device and am getting this error: Setting current slot to 'a' OKAY Finished

fastboot set 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_ error_ failed to identify current slot To enter fastbootd mode, bootloader writes boot-fastboot into the command field of the BCB message and leaves the recovery field of BCB unchanged (to enable 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