Android fastboot 查詢當前使用的ab槽

fastboot getvar current-slot > check slot is a or b, and my device show the slot on b fastboot set_active a > change the slot from b to a 8

This command provides information about the active slot from which the device is currently booting user $ fastboot getvar current-slot Dump

fastboot getvar currentslot if (fb->GetVar != fastboot if (fb->GetVar == fastboot::SUCCESS) { if

fastboot_ error_ failed to identify current slot I couldnt get either TWRP or anything else up 7 After some more googling I eventually figured out that the fastboot getvar current-slot