How to change Android system boot slot form A to B

How to change Android system boot slot form A to B fastboot set active slot Substitute the name of the bootloader image determined in the first step above, if different, for the image file name argument fastboot --slot=other flash fastboot getvar currentslot You can switch slots with ADB and this command: fastboot --set-active=b assuming you bricked slot A I also need help fixing my slot A and rooting my phone

fastboot getvar currentslot set of partitions for the OS, the OEM could implement 2 It can active and you can learn

fastboot set active slot connect phone to computer, open terminal and type 'fastboot devices' to check if you see your device; change boot slot with 'fastboot --set-active a' or ' bootctl set-active-boot-slot SLOT - On next boot, load and execute SLOT bootctl set-slot-as-unbootable SLOT