From using --erase
.
.
michael@michael-G41MT-ES2L ~ $ sudo flasher -f -F '/home/michael/Desktop/DFL61_HARMATTAN_40.2012.21-3_PR_LEGACY_005-OEM1-958_ARM.bin' --erase-user-data=secure
flasher 3.12.1 (Oct  5 2011) Harmattan
WARNING: This tool is intended for professional use only. Using it may result
in permanently damaging your device or losing the warranty.

USB device found at bus 001, device address 006.
Device identifier: 351669050171237 (SN: N/A)
Raw data transfer EP found at EP2.
Ping attempt 1 (250 ms)
Server application: 1.7.2
Found product RM-696 rev. 1601
Server implements softupd protocol version 1.8

Battery level 90 %, continuing.
Erasing, this may take a while.
Erase done.
Image SW version DFL61_HARMATTAN_40.2012.21-3_PR_005
Image moslo not present
Image mmc not present
Image tar skipped
Image config skipped

Battery level 90 %, continuing.

    image        [state    progress         transfer     flash speed]
---------------------------------------------------------------------
[_] cert-sw      [init         0 %       0 /       0 kB      NA     ]
[ ] cmt-2nd      [pending      0 %       0 /       0 kB      NA     ]
[ ] cmt-algo     [pending      0 %       0 /       0 kB      NA     ]
[ ] cmt-mcusw    [pending      0 %       0 /       0 kB      NA     ]
[ ] xloader      [pending      0 %       0 /       0 kB      NA     ]
[ ] secondary    [pending      0 %       0 /       0 kB      NA     ]
[ ] kernel       [pending      0 %       0 /       0 kB      NA     ]
[ ] rootfs       [pending      0 %       0 /       0 kB      NA     ]
ERROR: SU_GET_UPDATE_STATUS_REQ terminated with error code 10: Security failure

    image        [state    progress         transfer     flash speed]
---------------------------------------------------------------------
[f] cert-sw      [init         0 %       1 /       1 kB      NA     ]
[ ] cmt-2nd      [pending      0 %       0 /       0 kB      NA     ]
[ ] cmt-algo     [pending      0 %       0 /       0 kB      NA     ]
[ ] cmt-mcusw    [pending      0 %       0 /       0 kB      NA     ]
[ ] xloader      [pending      0 %       0 /       0 kB      NA     ]
[ ] secondary    [pending      0 %       0 /       0 kB      NA     ]
[ ] kernel       [pending      0 %       0 /       0 kB      NA     ]
[ ] rootfs       [pending      0 %       0 /       0 kB      NA     ]
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
Downgrade disallowed (1342067459)
[Pipe   0] Finishing in error state with status 10
========================================

ERROR: Failed to flash images
.
.
michael@michael-G41MT-ES2L ~ $ sudo flasher -i
flasher 3.12.1 (Oct  5 2011) Harmattan
WARNING: This tool is intended for professional use only. Using it may result
in permanently damaging your device or losing the warranty.

USB device found at bus 001, device address 006.
Device identifier: 351669050171237 (SN: N/A)
Raw data transfer EP found at EP2.
Ping attempt 1 (250 ms)
Server application: 1.7.2
Found product RM-696 rev. 1601
Server implements softupd protocol version 1.8
Success