[Guide] How to flash Nokia device using JAF

Flashing refers to reinstalling your device firmware (operating system) files. Flashing can be used to fix a corrupt of deleted file system, a dead or bricked phone or other software related issue which has caused your phone to stop working. Flashing can also be used to install the latest (or any available) firmware or to flash a custom (cooked) firmware on your device.

If you are looking to do one of the above, the following step-by-step guide will show you how to flash a normal (not dead) Nokia device using J.A.F (from ODEON) which is another tool which can be used to flash your Nokia device.

[NOTE] Please do not proceed with this guide unless you have advanced knowledge of Navifirm and have had previous experience with updating your device using unofficial methods.

[NOTE] Issues that can occur on your from following this guide will not be covered by your Nokia Warranty. Please know that you may void your device warranty if you proceed.

[NOTE] Make sure you have backed up your data using the Nokia Suite / PC Suite before you proceed.

[DISCLAIMER] DJ’s Mobiles will not be responsible for any loss of data or device malfunction which can occur from following this guide. Please proceed at your own risk.
  • Find and note down your following
    • Code – This can be found on the sticker under the battery (eg: 0XXXXXX)
    • Type – This can also be found on the sticker under the battery (eg: RM-XXX)
    • current software/firmware version by pressing *#0000# (not applicable if phone is dead)
      [NOTE] on devices with sealed batteries like the Nokia N8, you can find these codes on the product box or SIM card tray
  • Download J.A.F. with PKEY Emulator.
  • Download and install the Nokia (PC) Suite on your computer.
  • Download and install .NET Framework 2.0 or higher on your computer.
  • Download the latest version of Navifirm and extract its contents to a directory of your choice (no installation needed here)
[NOTE] Format your memory card via mobile or PC or at least delete everything in E:/sys, E:/patches, E:/private and E:/resource (and also same folders in F: if both mass memory and memory card are present as in new phones).
[NOTE] Remove SIM card and memory card from the phone
[NOTE] Make sure to follow the instructions below very carefully
  1. Go to “C:/Program Files/Nokia/Phoenix/Products” and create a new folder to represent your device Type (eg: C:/Program Files/Nokia/Phoenix/Products/RM-596; RM-596 – Nokia N8)
    [NOTE] If you have Phoenix installed on your computer this path will be created automatically, if not you have to manually create each folder.
  2. Install J.A.F. on your computer.
    • Copy jaf_nok4models.ini (which should be in the JAF archive you downloaded) and paste it into C:/Program Files/ODEON/JAF
      Confirm if you are asked to overwrite an existing file.
    • Connect your device to your computer using the USB cable and select PC Suite Mode on your device.
    • Make sure the device drives are installed to your computer
  3. Once installation is complete open JAF using OGM_JAF_PKEY_Emulator instead of using the shortcut which appears on your desktop.
    [NOTE] This file should be part of the JAF archive you previously downloaded
    • Click the ‘GO’ button
      [NOTE] If you receive an error, try launching again
      [NOTE] If you are running a newer version that Windows XP, we suggest running JAF in compatibility mode.
    • Wait for the emulator to verify the J.A.F. installation and for JAF to launch.
    • When you see the error  “BOX DRIVER NOT INSTALLED”, click OK
  4. Select the BB5 tab on the JAF window. Here you have three options to choose from:

Flashing your device to factory settings

  • Select ‘CRT 308’.
  • Select ‘Factory Set’.
  • Select ‘Factory Settings’.
  • Now click ‘FLASH’ under Operations.
  • Wait for the process to complete and reboot the device.
Flashing a new cooked (custom or hacked) firmware
  • Copy the custom/hacked firmware files (usually uda.fpsx, rofs3.fpsx) to the official firmware folder (eg:C:/Program Files/Nokia/Phoenix/Products/RM-596)
    [NOTE] The custom files should replace existing files from the original firmware files. If you don’t see any files overwritten head over to the folder and check if all files match the variant of your device. If not make sure to rename the custom files to match your firmware before you proceed.
  • Once completed proceed with the rest of the guide
Update your device firmware to the latest version or reinstall the existing one with official files (downloaded from Navifirm)
  • Select Manual Flash and Dead USB.
  • Uncheck CRT 308 and Use INI.
  • Wait for ‘Select Phone Model’ to appear.
  • Find and select your device from the the box which appears and click OK.
    • If your device doesn’t appear in the box you may have to download a newer version of the jaf_nok4models.ini file [DOWNLOAD]
    • Place the downloaded file to C:/Program Files/ODEON/JAF and overwrite the file.
  • The MCS, PPM, CNT and APE Variant will now turn green:
    • If your device is still not visible after updating jaf_nok4models.ini or if the circles don’t turn green
    • Go to C:/Program Files/Nokia/Phoenix/Products/RM-596 and rename the  .core.C00 file to .c0r
    • Now go to JAF and uncheck Use INI box.
    • Next click MCS, PPM, CNT and APE Variant manually one by one and select the following files.
      MCU – .c00/.c0r
      PPM – rofs2
      CNT – rof3
      APE – uda
      These files should be available in C:/Program Files/Nokia/Phoenix/Products/RM-596
  • Turn off your device and click “FLASH” under Operations.
  • A warning message should appear and you should click YES.
    • Press the ON/OFF button on your device for a couple of seconds until the JAF flashing process begins
    • Sit back and wait for until you see the “Done!” message appear in the Status and Results window.
  • Disconnect your device from the computer, Remove and reinsert the battery and you are ready to boot back up.
[NOTE] If you face any issues after installing a custom/hacked ROM try resetting the device to factory settings. If you continue to face issues you should consider re-flashing the official firmware to your device using Navifirm.

You can also check out our step-by-step guide will show you how to flash a normal (not dead) Nokia device using Phoenix and Navifirm.

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