tried that, getting this error

Microsoft Windows [Version 6.1.7601]
Copyright (c) 2009 Microsoft Corporation. All rights reserved.

C:\windows\system32>cd..

C:\Windows>cd..

C:\>cd n9

C:\N9>Flasher -f -F china.bin --flash-only=cmt -f -R
flasher 3.12.1 (Oct 6 2011) Harmattan
ERROR: Only single flash option is allowed
ERROR: Error processing option -f

C:\N9>Flasher -f -F china.bin --flash-only=cmt
flasher 3.12.1 (Oct 6 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...
Found device RM-696, hardware revision 1501
NOLO version 2.3.6
Version of 'sw-release': DFL61_HARMATTAN_40.2012.21-3.480.04.1_PR_480
Sending ape-algo image (7096 kB)...
100% (7096 of 7096 kB, avg. 14542 kB/s)
Suitable USB interface (phonet) not found, waiting...
Ping attempt 1 (250 ms)
Server application: 1.7.2
Found product RM-696 rev. 1501
Server implements softupd protocol version 1.8
Image SW version DFL61_HARMATTAN_40.2012.21-3_PR_003
Image cert-sw skipped
Image xloader skipped
Image secondary skipped
Image kernel skipped
Image moslo skipped
Image rootfs skipped
Image mmc skipped
Image tar skipped
Image config skipped

Battery level 27 %, continuing.

image [state progress transfer flash speed]
---------------------------------------------------------------------
[x] cmt-2nd [finished 100 % 95 / 95 kB NA ]
[_] cmt-algo [init 100 % 789 / 789 kB NA ]
[ ] cmt-mcusw [pending 0 % 0 / 0 kB NA ]
ERROR: SU_GET_UPDATE_STATUS_REQ terminated with error code 1: Unknown error

image [state progress transfer flash speed]
---------------------------------------------------------------------
[x] cmt-2nd [finished 100 % 95 / 95 kB NA ]
[f] cmt-algo [init 0 % 789 / 789 kB NA ]
[-] cmt-mcusw [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
bb5_rdc_cert_read failed
Timeout while waiting for the HWBREAK
Could not reboot into cold bootmode
[Pipe 1] Finishing in error state with status 1
========================================

ERROR: Failed to flash images

C:\N9>Flasher -f -F china.bin --flash-only=cmt
flasher 3.12.1 (Oct 6 2011) Harmattan
WARNING: This tool is intended for professional use only. Using it may result
in permanently damaging your device or losing the warranty.

Ping attempt 1 (250 ms)
Server application: 1.7.2
Found product RM-696 rev. 1501
Server implements softupd protocol version 1.8
Image SW version DFL61_HARMATTAN_40.2012.21-3_PR_003
Image cert-sw skipped
Image xloader skipped
Image secondary skipped
Image kernel skipped
Image moslo skipped
Image rootfs skipped
Image mmc skipped
Image tar skipped
Image config skipped

Battery level 27 %, continuing.

image [state progress transfer flash speed]
---------------------------------------------------------------------
[x] cmt-2nd [finished 100 % 95 / 95 kB NA ]
[_] cmt-algo [init 100 % 789 / 789 kB NA ]
[ ] cmt-mcusw [pending 0 % 0 / 0 kB NA ]
ERROR: SU_GET_UPDATE_STATUS_REQ terminated with error code 1: Unknown error

image [state progress transfer flash speed]
---------------------------------------------------------------------
[x] cmt-2nd [finished 100 % 95 / 95 kB NA ]
[f] cmt-algo [init 0 % 789 / 789 kB NA ]
[-] cmt-mcusw [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
Timeout while waiting for the HWBREAK
Could not reboot into cold bootmode
[Pipe 1] Finishing in error state with status 1
========================================

ERROR: Failed to flash images