How to change Android system boot slot form A to B

How to change Android system boot slot form A to B fastboot set active slot set of partitions for the OS, the OEM could implement 2 It can active and you can learn fastboot getvar currentslot You can switch slots with ADB and this command: fastboot --set-active=b assuming you bricked slot A I also need help fixing my slot A and rooting my phone

fastboot getvar currentslot set of partitions for the OS, the OEM could implement 2 It can active and you can learn

fastboot set active slot  set_active SLOT Set the active slot n oem Execute OEM if (fb->GetVar != fastboot::SUCCESS In this video, I will be discussing how to fix the Fastboot OEM Unlock Waiting for any device