Tutorial - Converting ROMs for Citra without a 3DS!

Discussion in '3DS - Homebrew Development and Emulators' started by EdwardElric, Oct 9, 2016.

  1. EdwardElric
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    EdwardElric GBAtemp Regular

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    Welcome to my tutorial on converting .cia roms to .3ds to run in Citra 3DS Emulator! If you have any problems please do not hesitate to PM me or post a reply on this thread for some assistance, Enjoy!

    Part 1 - Tools
    To convert your ROM for the Citra Emulator, you will need some tools. Below, you will find the tools needed for ROM conversion.
    Part 2 - Lets get started! - Now that we are onto the second part, we can now start decrypting 3DS games!

    Part 2: Step 1 "Python" - If you do not already have Python 2.7, Download and install it (Link in Part 1). (If already installed, you may skip this step)

    Part 2: Step 2 "Almost ready!" - Now that you have Python 2.7 installed, you need to extract the "3DS to CIA Converter v4.1.rar" with an extractor that extracts RAR files (WinRAR recommended)

    Part 3 - Preparing .CIA for Convert - Now that you have the 3DS to CIA Converter extracted, take your CIA file, and put it in the same folder as the "3DS to CIA Converter.bat" file and name it something simple like for example, Mario Kart 7 could be renamed to MarioKart.cia.
    One.PNG

    Part 4 - Converting the ROM - Now it is finally time to convert the ROM! Open up "3DS to CIA Converter.bat" and you will see some options going from one to six. Type 3 and press enter.
    Options.PNG

    Once you are in the converters menu, you will see 9 options. Type 6 and press enter. Now that you're in the "CIA to 3DS Convert" option, enter the name of the CIA file and press enter.
    MK.PNG

    Be patient and just wait for the ROM to convert. Once the ROM is converted, it will say "Congratulations You're Done!".

    Part 5 - Running the file on Citra - Once you are finished in the 3DS to CIA Converter, go back to your folder and you will see something like this
    done.PNG
    Now take the .3ds file and launch it in Citra (if it doesnt work, try the -alt file) and it should run as planned.

    Part 6 - Proof that it works - And now we see it in Citra! (You may need extra files dumped from 3DS to run certain games on Citra, though.) citra.PNG
     
    Last edited by EdwardElric, Oct 9, 2016
    Deniii, Link_irado and Soulsilve2010 like this.
    #1 Oct 9, 2016
  2. ih8ih8sn0w

    ih8ih8sn0w Koreaboo

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    You didn't actually decrypt anything... Just converted a decrypted cia to 3ds...
     
    pixelmasher, Quantumcat, The Koopa Kingdom and 1 other person like this.
    #2 Oct 9, 2016
  3. squee666

    squee666 Advanced Tech Pleb

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    So Converting a Decrypted CIA into a Decrypted 3DS file
    counts as decryption?



    [​IMG]


    Congrats what a masterful guide


    maybe read your own screenshots

    [​IMG]
     
    Last edited by squee666, Oct 9, 2016
    Superman321, dpad_5678, Razor83 and 1 other person like this.
    #3 Oct 9, 2016
  4. EdwardElric
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    EdwardElric GBAtemp Regular

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    Fixed.
     
    #4 Oct 9, 2016
  5. swabbo

    swabbo Wot u doin readin dis m8?

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    East Yorkshire/ A Bin
    Wot
     
    Pluupy likes this.
    #5 Oct 9, 2016
  6. Deck of Noobs

    Deck of Noobs Kick, punch, it's all in the mind

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    switch.hacks.guide
    let's see how many errors we get from people who didn't realize you had to decrypt the CIA on the 3DS before doing this
     
    Quantumcat and ih8ih8sn0w like this.
    #6 Oct 9, 2016
  7. WOOO1234

    WOOO1234 GBAtemp Regular

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    I know this is an old thread,but curious

    what you guys mean by files dumped from 3ds?

    How come when doing conversion it says files not found? (Because of 3ds dump files,not having them?)

    Last thing can someone help do this correctly and tell me what I am missing. Thank you

    — Posts automatically merged - Please don't double post! —

    Nvm got to make sure ur file has an extra . when u put in command.
    I put Mariokart.cia and is said no file found

    but actually when you put Mariokart.cia.
    It finds it

    — Posts automatically merged - Please don't double post! —

    It says it could not read exheader file???

    It made a mariokart.cia.cci file but no 3ds file

    HELP!!!
     
    #7 Apr 18, 2017
  8. Giodude

    Giodude GBAtemp's official rock

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    gud necrobump. The thread is a person who doesnt understand what decrypt means. Dont worry about this.
     
    ih8ih8sn0w and Arubaro like this.
    #8 Apr 18, 2017
  9. WOOO1234

    WOOO1234 GBAtemp Regular

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    Can you help or point me in right direction?
     
    #9 Apr 19, 2017
  10. Giodude

    Giodude GBAtemp's official rock

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    you need a 3ds case and point. Also this is outdated anyway. What do you want to know how to do?
     
    #10 Apr 19, 2017
  11. SubLoverD

    SubLoverD Advanced Member

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    the code execution cannot proceed further because MSVCR71.dll was not found. reinstalling the program may fix this problem

    What have i done wrong?
     
    #11 May 27, 2017
  12. Dragen

    Dragen Newbie

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    How can I convert a 3ds file to a 3ds file descrypted for Citra please ? I have try this tutoriel but it need the 3ds file in ".cia" ?
     
    Mored1984 likes this.
    #12 Aug 4, 2017
  13. ddgreen

    ddgreen Newbie

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    whenever i convert there is no 3ds file after even though it says its complete
     
    #13 Jan 23, 2018
  14. Madsumi

    Madsumi Newbie

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    I did everything he said. But it didn't work. I don't understand what's wrong. I press 3. Then press 6. Then I type the cia in the folder. Then I press enter. About a second later, a congratulation word appeared. When I look in the folder, nothing's chaged at all from before I tried to changed the cia. Please someone explain what wrong.
     
    #14 Nov 30, 2018
  15. Madsumi

    Madsumi Newbie

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    Mine didn't work. After I type the cia and press enter, a second later it appeared "Congratulations You're Done Press any key to continue . . . ". I don't know what's wrong. Could someone explaind it to me?
     
    #15 Nov 30, 2018
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