Using JAF on Windows 7 – Tutorial

Following things you need…

Following steps you have to follow…

  • Install Nokia PC Suite 7.1 & Connect your Phone to finish installing all drivers and restart your system
  • Install JAF v1.98.62 after restart (But don’t install Nokia Cable Driver comes with JAF Installer).

  • Now close Nokia PC Suite from Task Manager before you connect your phone to your PC.

  • Now you have to change Compatibility Mode on PKEY Emulator v5.

  • Now start JAF using your PKEY Emulator v5.
  • To Check JAF is working or not, tick on Prod. Manager on JAF and click SERVICE Button.


  • Following windows will appear after clicking SERVICE Button.

  • Now click on Read Values Button, and after click you will get the values like following window, it means JAF is working fine.


  • Everything is SET. Now you can FLASH your Nokia Phone…  🙂

Flashing my 5800 on Windows 7…




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  1. Hi I am trying with E71…..It has got security lock and I do not know what it is as my daughter was playing with it and did something wrong…

    Also, I had re-formated my laptop to install windows 7 so I dont have my phone configured with Nokia PC suite (I get Nokia USB ROM driver error when I connect the phone)

    Please guide me I am in vain and I dont have any service center near my home…

  2. где можно скачать JAF на Windows 7. можно скинуть на [email protected] с инструкцией установкы. помогите зарание спасиба

  3. When I turn off my nokia and hit flash, than click the power button, windows starts installing drivers.

    And that I get an error message saying that the drivers cannot be installed.

  4. i tried installin d jaf software on my windows 7 bt without d box cos i dnt av d box. it did not install, i also tried installin mxkey on d same laptop, it is showing an error message. i have d box of d mxkey (like a flash drive). i dnt know if i nid an internet connection. pls help me.

  5. Hey,

    running windows 7 64bit, so i ran the software in Windows XP (SP2) mode and as administrator, but still get the error:
    ERROR: Not supported Windows version

    Any clues?

  6. OK, got it running, but i forgot my E75’s phone code and i can’t get in and also JAF doesn’t recognize my phone – no communication.
    Any clues?

  7. the vaLues does not came ….what to do now my jaf does not detect mcu file thats the problem i was using nokia 5233 mcu core file jaf does not detect it ????????????????plzzzzz help

  8. I can’t get pkey emulator to work. This is what happens when I click ‘GO’ :

    Checking Windows version …
    Windows version: Microsoft Windows XP Professional
    Searching for JAF install location …
    Saved winscard.dll to: C:Program FilesODEONJAFwinscard.dll
    Saved original.dll to: C:Program FilesODEONJAForiginal.dll
    Starting JCOP emulator …
    Saved JCOP.EXE to: C:Program FilesODEONJAFJCOP.EXE
    JCOP emulator started succesfull on port 8050
    Powering JCOP simulator …
    ERROR: JCSIMU_open_socket connect socket: 10061
    ERROR: JCSIMU_reset_card initialize
    ERROR: Cannot get ATR from JCOP simulator!

    And after this when I open Jaf, i get a load of pop-ups one after the other…..any ideas on how to fix this??

    PS: I have a bricked N73…trying to get it it working again….

  9. im not able to install jaf
    error… the app ur tring to install is currupted or incmplete……

  10. hey m not able to start jaf..
    i used to use it initially for a year but now  it jus wont start,

    tried reinstalling jaf, pc suite, checked the compatiblity.. tried the setup given above..

    still not working..

    Please help..

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