How to automate slot selection after android AB-Update

Android fastboot 查詢當前使用的ab槽 fastboot set active slot set_active SLOT Set the active slot n oem Execute OEM if (fb->GetVar != fastboot::SUCCESS fastboot change slot I choose yes and then get back in recovery with “Active slot: b ” I didn't need to do fastboot —set-active=b So I then relaunch: adb

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