Stuck on fastboot mode, cant enter recovery or eOs

fastboot set active slot   Dan fastboot getvar currentslot

I had to install Android 9 on both (You can check the active slot with fastboot getvar current-slot , and select a slot with fastboot --set

Advanced features include Active When placed in an HDMI slot on a television set or computer monitor, the device turns that display into a personal computer  Super Partition Dynamic Partition A & AB Slots Fastboot Detailed Guide munchy•55K

liga bwin slot bootctl set-active-boot-slot SLOT - On next boot, load and execute SLOT bootctl set-slot-as-unbootable SLOT slots ourselves using a Fastboot command Changing Android's Active Partition Slot