All done, piece of piss, forgot how easy it all was:

jalyst-rMBP:N9_Flash root# 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.

Suitable USB interface (bootloader/phonet) not found, waiting...
USB device found at bus 29, device address 7.
Device serial number is N/A
Found device RM-696, hardware revision 1601
NOLO version 2.0.49
Version of 'sw-release': DFL61_HARMATTAN_10.2011.34-1.299.1_PR_299
Success

************************************************** ************************************************** ************************************************** *

jalyst-rMBP:N9_Flash root# flasher -f -F DFL61_HARMATTAN_40.2012.21-3_PR_LEGACY_001-OEM1-958_ARM.bin
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 29, device address 7.
Device serial number is N/A
Found device RM-696, hardware revision 1601
NOLO version 2.0.49
Version of 'sw-release': DFL61_HARMATTAN_10.2011.34-1.299.1_PR_299
Sending ape-algo image (7096 kB)...
100% (7096 of 7096 kB, avg. 30720 kB/s)
Suitable USB interface (phonet) not found, waiting...
USB device found at bus 29, device address 7.
Device serial number is
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
Image SW version DFL61_HARMATTAN_40.2012.21-3_PR_001
Image moslo not present
Image mmc not present
Image tar skipped
Image config skipped

Battery level 85 %, continuing.

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 2959 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 1986 kB/s]
[x] rootfs [finished 100 % 1170282 / 1170282 kB 12220 kB/s]
Updating SW release
Success

************************************************** ************************************************** ************************************************** *

jalyst-rMBP:N9_Flash root# flasher -f -F DFL61_HARMATTAN_40.2012.21-3_PR_LEGACY_001-OEM1-958_ARM.bin -F 29FAD658_DFL61_HARMATTAN_40.2012.13-7.NORTHERNEUROPE_EMMC_NORTHERNEUROPE.bin --flash-only=mmc
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 29, device address 7.
Device serial number is
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
Image SW version DFL61_HARMATTAN_40.2012.21-3_PR_001
Image cmt-2nd skipped
Image cmt-algo skipped
Image cmt-mcusw skipped
Image xloader skipped
Image secondary skipped
Image kernel skipped
Image moslo skipped
Image rootfs skipped
Image tar skipped
Image config skipped

Battery level 87 %, continuing.

image [state progress transfer flash speed]
---------------------------------------------------------------------
[x] cert-sw [finished 100 % 1 / 1 kB NA ]
[x] mmc [finished 100 % 1627219 / 1627219 kB 21006 kB/s]
Success

************************************************** ************************************************** ************************************************** *

jalyst-rMBP:N9_Flash root# flasher -R
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 29, device address 7.
Device serial number is
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

As luck would have it, my cable broadband has become very unreliable for the 1st time in mths, just when I need it to be reliable for at least a few days, grrrr.