How to automate slot selection after android AB-Update

Change CSC with one click; Remove FRP for new security patch Auto-detect file and select slot; Auto-extract for ZIP file; Ignore MD5

On AB devices, flashed slot is set as active Secondary images may be flashed to inactive slot flash PARTITION Flash given partition, using the

fastboot set active slot  It can be very useful to know if partition slot A or slot B is currently active and you can learn

fastboot getvar currentslot 8GB MEMORY Built-in Wifi Built-in Camera with NumPad Flat Keyboard VGA SLOT HDMI SLOT SD CARD SLOT DVD DRIVE USBLAN PORT