Resizing 'product_b'                               OKAY [  0.006s]
Sending 'product_b' (522444 KB)                    OKAY [ 14.663s]
Writing 'product_b'                                OKAY [  3.535s]
extracting system.img (980 MB) to disk... took 3.102s
archive does not contain 'system.sig'
Sending sparse 'system' 1/2 (524284 KB)            FAILED (Write to device failed (No such device))
fastboot: error: Command failed
patriot--os@patriotos-System-Product-Name:~/Downloads/sargo-factory-2020.06.02.02$ fastboot flashing lock
                                                   OKAY [  0.104s]
Finished. Total time: 0.104s
patriot--os@patriotos-System-Product-Name:~/Downloads/sargo-factory-2020.06.02.02$