Are you sure about: flasher -f -F rootfs.bin -f It won't work... proof? Code: C:\Program Files\Nokia\Flasher>flasher -f -F rootfs.bin -f flasher 3.12.1 (Oct 6 2011) Harmattan ERROR: Only single flash option is allowed ERROR: Error processing option -f If you want to erase data you should do a emmc flash too...Otherwise add --erase-user-data=secure
C:\Program Files\Nokia\Flasher>flasher -f -F rootfs.bin -f flasher 3.12.1 (Oct 6 2011) Harmattan ERROR: Only single flash option is allowed ERROR: Error processing option -f