How to change Android system boot slot form A to B

How to change Android system boot slot form A to B change slot fastboot Card slot microSDXC Internal 32GB 3GB RAM, 32GB 4GB RAM, 64GB 4GB RAM, 128GB 4GB RAM eMMC MAIN CAMERA Camera 48 MP, f, 26mm ( change slot I am trying to root my Xiaom mi a2 phone But i am stuck on changing the active partition When i enter fastboot set_active b it doesnt

change slot Verify that you have fastboot and adb · Enable your USB connection · Boot into Fastboot mode · Unlock the bootloader · Restore device to factory state

aces and faces poker slot Changing Android's Active Partition Slot Explaining Android · 17K views ; What are 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