fastboot commands

fastboot getvar battery-status; fastboot getvar battery-voltage current partitions and flashing the backed-up images saved on your computer

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

fastboot get active slot rc The bootloader successfully marked the slot as bootable Before first boot: $ fastboot getvar all slot-count

fastboot_ error_ failed to identify current slot fastboot getvar current-slot current-slot: a finished total time: fastboot --set-active=b fastboot: unknown option -- set-active=b