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

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

I was able to fix this with fastboot --set-active=a followed immediately by fastboot flash boot and all the other partitions

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

fastboot_ error_ failed to identify current slot If it is a slotted device in Fastboot run the command: fastboot getvar current-slot and then set the active slot, fastboot --set-active=