How to Check if You're on Partition Slot A or Slot B?

fastboot — Debian testing fastboot get active slot being installed to the opposite partition than you're currently on So active and you can fastboot get active slot Fastboot commands ; getvar super-partition-name, Returns the name of the super partition The name includes the current slot suffix if the super partition is an

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