How to change Android system boot slot form A to B

fastboot commands change slot fastboot fastboot mode or by following a vendor slot; don't forget to disable AutoReboot Start flashing the recovery 5 To change 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

free slot slot play online Verify that you have fastboot and adb · Enable your USB connection · Boot into Fastboot mode · Unlock the bootloader · Restore device to factory state