How to Check if You're on Partition Slot A or Slot B?

查詢目前使用那個槽， 看目前的slot是a還是b，一般都是a。1$ sudo fastboot getvar current-slot 參考 adb

If you device randomly got stuck in fastboot after a reboot, that means the counter hit zero and the bootloader marked your slot as unbootable

fastboot_ error_ failed to identify current 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 set active slot This command provides information about the active slot from which the device is currently booting user $ fastboot getvar current-slot Dump