1. ihaveamac

    OP ihaveamac GBAtemp Guru
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    custom-install is a Python 3.6+ tool that will install CIA files to a Nintendo 3DS SD card entirely on a PC. This completely bypasses the slow wireless and I/O speeds of the hardware.

    Example speeds installing Pokémon Ultra Moon, about 3.45 GB (does not include final step to install a ticket and seed):
    • Class 4 SD: 15 minutes, 15 seconds
    • Class 10 UHS-1 microSD: 2 minutes, 58 seconds
    • For comparison, FBI network install to a New 3DS with a Class 10 UHS-1 microSD: 48 minutes, 14 seconds
    Thanks to wwylele and his work on save3ds which has made modifying title.db on PC possible.

    More details on usage can be found at the source repository:
    https://github.com/ihaveamac/custom-install

    Get the Windows standalone releases at:
    https://github.com/ihaveamac/custom-install/releases

    Need help? Ask on this thread, or join us on Discord! https://discord.gg/YVuFUrs (Please do not come here asking how to obtain games.)
     
    Last edited by ihaveamac, Jul 23, 2020
  2. CPG

    CPG twat
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    Seems really cool! Going to try it out right now!!
     
  3. Nomi20

    Nomi20 GBAtemp Regular
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    This is awesome! I will test it out as soon as possible!
     
  4. raxadian

    raxadian GBAtemp Advanced Maniac
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    This is sure convenient and might save time. That being said I do tend to do other things when my 3DS is installing Cias, like play with my PSP, my Switch or in my PC. Or watch videos on Youtube using my smartphone.
     
  5. osaka35

    osaka35 Instructional Designer
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    brilliant. this is what i needed to get my 3ds back out of its case. excellent work.
     
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  6. wownmnpare

    wownmnpare GBAtemp Fan
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    So no more double size needed to install?
     
  7. ihaveamac

    OP ihaveamac GBAtemp Guru
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    Double size was required if you copied the file to the SD and installed from that. It wasn't required for network install as the file was being installed during the transfer.

    What this does differently is write the contents of the CIA directly to the SD, which is much faster than waiting for the 3DS to do it. This wasn't possible for a long time since there didn't exist any tools to read and write to "title.db" which is what keeps track of installed titles, as well as to generate "cmd" files which verify installed contents.
     
    Last edited by ihaveamac, Nov 4, 2019
    Gamer4647, E1ite007, Peloisan and 2 others like this.
  8. lone_wolf323

    lone_wolf323 GBAtemp Psycho!
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    Does the custom install finalize need to be ran after each game installed this way or just once after you got what ya want done?
     
  9. ihaveamac

    OP ihaveamac GBAtemp Guru
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    custom-install-finalize is used to install tickets and seeds. It only has to be run once after using the script. custom-install.py writes a file to the SD card (cifinish.bin) containing this information.
     
    Last edited by ihaveamac, Nov 4, 2019
  10. Reploid

    Reploid GBAtemp Advanced Maniac
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    I wish we had it for years
     
  11. PokemonTotalWar

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    This might be a silly question, but if someone were to pull moveable.sed and boot9.bin, and not finish installing any CFW, would this still work, or does it rely on anything CFW provides? Essentially, provided the files are from the 3DS, would this work on stock FW?

    EDIT: Looks like no, because we need to be able to run a 3dsx file?
     
    Last edited by PokemonTotalWar, Nov 4, 2019
  12. ihaveamac

    OP ihaveamac GBAtemp Guru
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    If you only ever install signed games that the system already has a ticket for from the eShop, you could do that, if you somehow obtain the title contents without having a system to get them from. This is not really worth it though.
     
  13. PokemonTotalWar

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    Interesting, okay. Yeah, I'm not sure if there's any real use-case for that, I was just curious. Thanks! Great work. If I'm ever installing any sizeable CIAs in the future, I know how I'm doing it.
     
  14. Kwyjor

    Kwyjor GBAtemp Maniac
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    So does this that title.db has no more mysteries? It seems like there are many tales out there of title.db getting corrupted (leaving mysterious entries in the list of installed titles that wreak havoc when people try to remove them).

    A much sillier question: will custom-install-finalize.3dsx run if you chainload Luma from ntrboot? (It is of course a very silly question because nobody chainloads Luma from ntrboot.)
     
  15. ihaveamac

    OP ihaveamac GBAtemp Guru
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    Probably, we have all the resources to re-build a title.db from existing title contents. There's still the chance of titles doing something weird that our own title info entries don't have.
    As long as you can run 3dsx homebrew with the required permissions I don't see why it wouldn't.
     
  16. b17bomber

    b17bomber GBAtemp Advanced Fan
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    How does one dump boot9.bin and movable.sed?
     
  17. ihaveamac

    OP ihaveamac GBAtemp Guru
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  18. b17bomber

    b17bomber GBAtemp Advanced Fan
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    thank you. I think maybe I should wait for a GUI though. I did do the command prompt setups though at the beginning.
     
  19. KirovAir

    KirovAir Dutch Alcoholic Programmer
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    Yes! This will make setting up a ‘fresh’ 3DS a breeze! Thanks a lot for this.
     
  20. iron_man99

    iron_man99 Advanced Member
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    Ocarina of Time Install reduced from 20-30 minutes to just under 10-20 seconds. That's what i call revolutionary.
     
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