Wednesday, May 16, 2012

Resetting N9 Security code, part 2

Alright, now you should have a two big files, one is the firmware itself, the other one is the contents of the eMMC (basically the installed default apps). Like so (for northern Europe device model):

Next turn off the device and make sure it is not plugged into your computer. Then start the flasher:
$ sudo flasher -f \
 -F DFL61_HARMATTAN_30.2012.07-1_PR_LEGACY_001-OEM1-958_ARM.bin \

Note: For getting rid of the security code (that we don't know) the --erase-user-data=secure option is important, don't forget it.

Flasher should now output something like this:

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...

Flasher is now waiting for the device, so plug in the USB cable now. Flasher should now respond with:

USB device found at bus 001, device address 016.
Device identifier: xxx923xxx468xxx (SN: N/A)
Found device RM-696, hardware revision 1507
NOLO version 2.3.6
Version of 'sw-release': DFL61_HARMATTAN_30.2012.07-1_PR_001
Sending ape-algo image (7096 kB)...
100% (7096 of 7096 kB, avg. 11826 kB/s)
Suitable USB interface (phonet) not found, waiting...
USB device found at bus 001, device address 017.
Device identifier: xxx923xxx468xxx (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. 1507
Server implements softupd protocol version 1.8

Battery level 89 %, continuing.
Erasing, this may take a while.

It is now erasing the EMMC and as it says, can take a while. Took around 5-10 minutes for me. The white led should blink while it is doing it. After a successful erase operation, the flash should respond with this:

Erase done.
Image SW version DFL61_HARMATTAN_30.2012.07-1_PR_001
Image moslo not present
Image tar skipped
Image config skipped

Battery level 93 %, continuing.

And then continue to the real flashing part, something like this (sizes will vary with different image files):

    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    3231 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       7 kB/s]
[x] rootfs       [finished   100 % 1163796 / 1163796 kB   10600 kB/s]
[x] mmc          [finished   100 % 1627169 / 1627169 kB   16524 kB/s]
Updating SW release

Unplug the USB cable and your N9 should now reboot into a fresh install !

Fresh N9


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