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NokiaCooker v2.02 - Cooked Fw for 3rd / 5th / Symbian^3


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Nokia Cooker is a PC software reserved to the Cookers, which allows to modify the files containing the phone's firmware to create customized firmwares versions named Cooked-Firmware.

Nokia Cooker can modify data which is located in:


- CORE (ROFS1 data only)


- ROFx


Not all the ROFS/ROFx can be modded!

Modding a protected ROFS/ROFx you'll risk to brick the phone.

If you aren't sure that your ROFS/ROFx can be modded, don't do it.

The modding of the UDA, instead, is always a safe operation.

Posted Image

For more info...


Download Nokia Cooker

Informations for Developers about Plugins:

When NokiaCooker launches your application it will pass the 4 command-line parameters below:

1) the file currently selected in the window on the right side

2) the path where the fw files have been extracted (eg: c:\nokiacooker\files\n8fw_extracted\)

3) firmware filename (eg: RM-596_011.012_U01.01_79.92_prd.uda.fpsx)

4) firmware type (UDA, ROFS, CORE, UNKNOWN)

How to read the arguments depends on the programming language you're using:

- for Delphi you should use ParamStr() ParamCount()

- for C# you can find the source code of a skeleton Plugin inside \NokiaCooker\TestPlugins\

Some available Plugins:

ROFS Language Tool

Application Pre-Installer


NokiaCooker Change-Log:


- Fixed: for some fw, the rebuild corrupts the header informations.


- Fixed: some debugging codes removed that raise some errors when rebuilding images.


- New: it is now possible to cook ROFS1 too

- New: unlock ROFS1 / ROFS2 / ROFS3 feature (aka "ROFS Recalibration")

- New: Estimated Size and Partition Size are available for FAT image too

- New: added the "Explore Files" button in the toolbar

- New: added main icon

- New: added a context menu to both TreeView and Grid

- Improved: performances when viewing folders containing lot of files

- Improved: performances when deleting the temporary files

- Improved: performances when computing the estimated size

- Improved: performances for the treeview control

- Improved: grid component has been replaced with a new one

- Improved: error handling when opening bad fw files

- Improved: computation of the original CRC has been refactored to use less memory

- Improved: added marker (*) to the fw filename to notify fw needs to be saved

- Improved: Header Parsing

- Improved: log window contains more details

- Improved: minor changes in the GUI

- Improved: realtime detection for the changes in the file-system. The GUI will be automatically updated when you add/remove/rename contents directly using Explore.

- Fixed: Detection of the Partition Size

- Fixed: Computation of the Estimated Size

- Fixed: Wrong CRC computation for some UDA files (eg. N95)

- Fixed: Error when repacking an empty ROFS


- Fixed: support for large UDA files too (N8 - 16Gb File) but it will takes a lot of time to process them.

- Improved: NaviFirm+ plugin updated to 1.1 version

- Improved: ROFX repack seems to work properly (E71)

- Improved: ROFS repack is more accurate. Supports the attExtra attribute (N8)

- NOTE: you can't flash the modded N8 ROFS yet.


- New: Shows the maximum ROFS partition size and the ROFS extimated size.

- Improved: NaviFirm plugin updated to 0.9 version

- Improved: the "Allow ROFS Resize" option is not needed anymore and it has been removed.

- Fixed: the "Allow ROFS Resize" option sometimes corrupted the ROFS rebuild process, causing strange issues in the Cooked Fw.


- New: File > Recent Files

- Improved: NaviFirm plugin updated to the latest version

- Fixed: The "Advanced > Repack using rofs data: ROFS.ROM" option wasn't working properly when packing a ROFS bigger than original


- Fixed: Due to some recent changes the CRC-Fixer routine wasn't working properly anymore.

- Fixed: Removed tooltip from the "add/remove plugins" button.

- Improved: The CRC-Fixer routine will fix the fw CRC to match the one contained in the .vpl file (if the .vpl file exists) otherwise will match the original CRC if the .vpl file doesn't exists.

- Improved: Unpacking Speed.


- New: Support for 3rd party Applications/Plugins. You can Drag & Drop any executables to the Plugin's toolbar to add them to NokiaCoooker

- Fixed: for some UDA, the bkupBootRecord wasn't handled properly showing the message 'Root Cluster is NOT Supported!'


- New: Added a smart CRC-Fixer: There will be no more CRC warnings in Phoenix!

- Improved: Replaced checkbox with button for ROFS resize

- Improved: Sligtly GUI improvements

- Improved: Better performances when showing folders with a lot of files


- New: you can now create cooked fw for N8 (UDA/FAT only)

- New: added a checkbox to allow resizing of ROFS/ROFx images.

- Fixed: FAT/UDA editor wasn't working properly.


- Improved: Log Window can be resized

- Improved: The OBY is created trying to keep the same file order as in the original firmware.

- Fixed: Warnings raised from the RofsBuild.exe command will be shown in the log window and the repack will complete successfully. If the RofsBuild.exe raised an error, the repack will not be completed.


- Fixed: Some ROFS file were skipped during the Rebuild if the file was in a very long path like:

  "C:\Documents and Settings\Root\Desktop\NokiaCooker BETA 0.4.1\Files\private\10203636\security\trustroots\device\certificates\TMO_trusted_third_party_certificate.cer"


- Improved: Shows warning messages raised from the RofsBuild.exe command

- Improved: ROFX Rebuild


- New: FAT32 file-system is now supported. (X6 UDA is in FAT32 format)

- New: Extension Column in the grid. So you can easily remove unneeded languages files from the ROFS

- New: Experimental ROFx support... It should work but NEEDS TO BE TESTED!

- New: Automatically creates a Backup File when repacking firmware.

- Improved: FAT Detection

- Fixed: ROFS Rebuild for N97


this tool is very easy to use, but it is always a tool for experts and smart people, it is not for everyone!

If you remove or replace some critical system component, your phone will dead at 100%, you have to know exactly which is the purpose of the files that you remove/replace!

Additional Disclaimer:

You use this tool at your own risk.

If, for any reason, your phone explodes in your face, don't complain to me. :)

If you don't like this policy, nobody forces you to use this tool... just don't use it!

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