Checking Android's Currently Active Partition Slot

It may not flash TWRP as there is no active slot not bootable) If it is a slotted device in Fastboot run the command: fastboot getvar

active The Power H922 server supports a maximum of 32 DDR4 fast boot times and is ideally suited to contain the rootvg of Virtual IO

fastboot set active slot 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 getvar currentslot 1 Switching the slot using fastboot Switching the slot via fastboot works if TWRP is installed in the boot partition · 2 Switching the slot