fastboot set active slot
fastboot — android-tools
fastboot set active slot
website fastboot set active slot Checking Android's Currently Active Partition Slot Explaining Fixing the ADB_Vendor_Keys Not Set Error Explaining Android · 7:33 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 set active slot Substitute the name of the bootloader image determined in the first step above, if different, for the image file name argument fastboot --slot=other flash Open a Command Prompt, Terminal, or Powershell and then type the following command – fastboot --set-active=a or fastboot --set-active=b slot fastboot getvar current-slot fastboot getvar all Get active system slot slot fastboot