fastboot get active slot: Stuck FastBoot Mode - Fairphone 4. GSM Shield Box update. [PATCH v3 2/5] fastboot: implement "getvar all" - [U.
To get the active
slot in fastboot mode or while the phone is booted into the bootloader execute on the PC connected to the phone ...
Vào fastboot-bootloader, gõ lệnh:
fastboot getvar current-slot. Kết quả trả về là a thì đây là phân vùng active - phiên bản vos 2.0 vá tháng 12
Type in the below command to get hold of your current active
slot and remember it as it will be used later on fastboot getvar current-slot.