How to Check and Change Current Active Slot on Android [Fastboot

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

Checking Android's Currently Active Partition Slot Explaining Fixing the ADB_Vendor_Keys Not Set Error Explaining Android · 7:33

fastboot_ error_ failed to identify current 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 get active slot connect phone to computer, open terminal and type 'fastboot devices' to check if you see your device; change boot slot with 'fastboot --set-active a' or '