| Command | Effect | |---------|--------| | fastboot boot <kernel.img> | Temporarily boot a kernel or recovery image without flashing. | | fastboot reboot | Normal reboot into the primary system. | | fastboot reboot-bootloader | Reboot back into bootloader mode. | | fastboot reboot recovery | Reboot directly into recovery partition. |
fastboot oem lock fastboot flashing lock fastboot command
| Error Message | Likely Cause | Solution | |---------------|--------------|----------| | < waiting for any device> | No device in fastboot mode / driver issue | Check fastboot devices ; reinstall driver; try different USB port. | | FAILED (remote: Command not allowed) | Bootloader locked | Unlock bootloader first ( fastboot flashing unlock ). | | FAILED (remote: partition table doesn't exist) | Wrong partition name | Use fastboot getvar all to list valid partitions. | | cannot load 'image.img' | Missing file or wrong path | Provide absolute path or ensure file is in working directory. | | remote: flash write failure | Partition size mismatch or corrupted image | Verify image checksum; ensure correct firmware variant. | | Slot Unbootable | A/B slot invalid | Use fastboot set_active other and reflash. | | Command | Effect | |---------|--------| | fastboot
fastboot erase <partition>