How to change Android system boot slot form A to B

c:1182: ERROR: No bootable slots found I can boot to u-boot from the eMMC and use the command fastboot usb 0 to put it in fastboot mode

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

change slot From there you can run fastboot getvar current-slot to see which slot you are on And you can change slots using fastboot --set-active=the slot

divine fortune free slot slot; don't forget to disable AutoReboot Start flashing the recovery 6 To change 7 Allow system modifications by