fastboot - platformsystemcore

If this flag is not used, slotted partitions will default to the current active slot -a, --set-active Sets the active slot If no slot

After some more googling I eventually figured out that the fastboot getvar current-slot returned I was set on a active slots? That

fastboot getvar currentslot Display a bootloader variable fastboot set_active suffix: Sets the active slot If slots are not supported, this does nothing fastboot boot

fastboot set active slot According to the install instructions the OS was flashed to both slots Just try fastboot --set-active=a and fastboot reboot If the phone