How to automate slot selection after android AB-Update

How to automate slot selection after android AB-Update fastboot get active slot So i decided to flash twrp into a boot slot via fastboot then, i set the active-slot to that but then I still don't get twrp idk why Now, I can get into fastboot get active slot fast boot Raspberry Pi OS The latest release of Raspberry Pi OS is made to get the most from Raspberry Pi 5 The newest version of our operating system

fastboot get active slot Get active system slot fastboot getvar current-slot fastboot getvar all Get active system slot

fastboot getvar currentslot 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 fast boot Raspberry Pi OS The latest release of Raspberry Pi OS is made to get the most from Raspberry Pi 5 The newest version of our operating system