Checking Android's Currently Active Partition Slot

Checking Android's Currently Active Partition Slot fastboot get active slot The inactive slot contains an older bootloader whose anti-rollback version has not been incremented If the active slot is then flashed with a build that fails fastboot set active slot 1 Switching the slot using fastboot Switching the slot via fastboot works if TWRP is installed in the boot partition · 2 Switching the slot

fastboot set active slot From there you can run fastboot getvar current-slot to see which slot you are on And you can change slots using fastboot --set-active=the slot

fastboot change slot But I want without fastboot command My usecase is the bootloader need to check the currect active slot and set the proper suffix How can I do Get active system slot fastboot getvar current-slot fastboot getvar all Get active system slot