i flash it using this
flasher -F main.bin -F emmc.bin -f and the phone switch on but not emmc

image [state progress transfer flash speed]
---------------------------------------------------------------------
[x] cert-sw [finished 100 % 1 / 1 kB NA ]
[x] cmt-2nd [finished 100 % 95 / 95 kB NA ]
[x] cmt-algo [finished 100 % 789 / 789 kB NA ]
[x] cmt-mcusw [finished 100 % 6050 / 6050 kB 3180 kB/s]
[x] xloader [finished 100 % 23 / 23 kB NA ]
[x] secondary [finished 100 % 94 / 94 kB NA ]
[x] kernel [finished 100 % 2714 / 2714 kB 615 kB/s]
[x] rootfs [finished 100 % 1170282 / 1170282 kB 3181 kB/s]
[f] mmc [writing 0 % 68608 / 1463443 kB 4122 kB/s]
Fetching error list:
========================================
bb5_rdc_cert_read failed
bb5_rdc_cert_read failed
bb5_rdc_cert_read failed
bb5_rdc_cert_read failed
bb5_rdc_cert_read failed
bb5_rdc_cert_read failed
========================================

ERROR: Failed to flash images
why always like this, i want to install sailfish what was wrong???