Android fastboot 查詢當前使用的ab槽

How to change Android system boot slot form A to B fastboot get active slot If you device randomly got stuck in fastboot after a reboot, that means the counter hit zero and the bootloader marked your slot as unbootable fastboot getvar currentslot Android phones can now have an A and a B partition system for the OS and we can use this fastboot command to check and see which slot is currently active

fastboot change slot Reset attack mitigation for firmware-based boot modes such as fastboot being active GrapheneOS enables support for ending secondary user profile