How to automate slot selection after android AB-Update

How to change Android system boot slot form A to B fastboot set active slot In this video, I will be discussing how to fix the Fastboot OEM Unlock Waiting for any device fastboot get active slot --slot SLOT Use SLOT; 'all' for both slots, 'other' for non-current slot --set-active Sets the active slot before

fastboot getvar currentslot Fastboot commands ; set_active slot> Sets the given AB booting slot as active On the next boot attempt, the system boots from the specified slot For AB