Android 10 Fastboot not detected AB boot slot

Android 10 Fastboot not detected AB boot slot fastboot set active slot Then change slot a to b or b to a if phone already slot a first set-active=a or b Bootloader fastboot get 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_ error_ failed to identify current slot I choose yes and then get back in recovery with “Active slot: b ” I didn't need to do fastboot —set-active=b So I then relaunch: adb