Android fastboot 查詢當前使用的ab槽

fastboot get active slot   Dan fastboot change slot

But I want without fastboot command My usecase is the bootloader need to check the currect active slot and set the proper suffix How can I do

It may not flash TWRP as there is no active slot not bootable) If it is a slotted device in Fastboot run the command: fastboot getvar Display a bootloader variable fastboot set_active suffix: Sets the active slot If slots are not supported, this does nothing fastboot boot

pg slot ไม่มีขั้นต่ำ 查詢目前使用那個槽， 看目前的slot是a還是b，一般都是a。1$ sudo fastboot getvar current-slot 參考 adb The inactive slot contains an older bootloader whose anti-rollback version has not been incremented If the active slot is then flashed with a build that fails