Android fastboot 查詢當前使用的ab槽

00:00 Prerequisites 05:16 Check and Change Current Slot on Android via Fastboot 10:14

Get active system slot fastboot getvar current-slot fastboot getvar all Get active system slot

fastboot getvar currentslot 3 Methods to Root Android Devices: 3laDi7N How to fix Many FASTBOOT command

fastboot change slot output from fastboot getvar all : security-patch-level: current-slot:b