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[Release] HiyaCFW - World's FIRST Nintendo DSi CFW!

Here it is, the first DSi CFW!
logo.png

Video by @Apache Thunder (When RocketLauncher was planned for a release. With WarioWare Touched (DSiWare version) installed.):


(NOTE: Since hiyaCFW has been released a few days ago (as of posting this), and no official thread has been made, I decided to go and make it, despite not making the actual patches for it. :P )

With this CFW, you can run custom DSiWare, alongside region free and 3DS-exclusive DSiWare (WarioWare Touched), on your SD card, via NAND to SD redirection!
You can also run blocked flashcards (such as R4 Ultra).

GitHub repo

FAQs
Q: Can I use a custom splash for hiyaCFW?
A: Yes you can. Place it at "sd:/hiya/" and name them "splashtop.bmp" and "splashbottom.bmp". Make sure they're actually saved as .bmp files, with the size of 256x192, with no color space info, and is 16-bit. .gif files will also work instead of .bmp files.
 
Last edited by RocketRobz,
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Click to expand...
v1.6.1
  • Index
    • v1.6.1: 4th of July Release

    What's new?​

    • RGB565 .bmp splash screen images will now display properly!
      • If the opposite splash screen image is in .gif format, the .bmp splash will be displayed in RGB555 mode to prevent flickering when displaying the .gif splash.

    Bug fixes​

    • Fixed a bug where the DSi Shop and the 3DS Transfer Tool would still display an error after changing the region back to the original in the hiyaCFW config menu.
      • For the fix to take effect, change the region to a different one, save, and change the region back to the one you normally use.
    • Fixed where either the regular hiyaCFW splash, or a splash screen consisting of only one or two .bmp files, is not displayed at all if the splash screen setting is enabled.
     
    Last edited by RocketRobz,
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    RocketRobz said:
    v1.6.1: 4th of July Release

    What's new?​

    • RGB565 .bmp splash screen images will now display properly!
      • If the opposite splash screen image is in .gif format, the .bmp splash will be displayed in RGB555 mode to prevent flickering when displaying the .gif splash.

    Bug fixes​

    • Fixed a bug where the DSi Shop and the 3DS Transfer Tool would display an error after changing the region in the hiyaCFW config menu.
      • For the fix to take effect, change the region to a different one, save, and change the region back to the one you normally use.
    • Fixed where either the regular hiyaCFW splash, or a splash screen consisting of only one or two .bmp files, is not displayed at all if the splash screen setting is enabled.
    Click to expand...
    Do I need TWLMagician to update my existing installation?
     
    v1.6.2
  • Index
    • v1.6.2

    Bug fix​

    • Requested by @R-YaTian: System Settings are now reset when region-changing from Japanese (if the NAND dump is from a console of said region) in order to fix touch inputs not working.
      • If touch inputs are still not working after updating, change the region back to Japanese, save, and then change the region again to the one you're wanting to use.
     
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    Doesn't iQue's NAND need to be updated?

    TWLMagician failed path BIOS, when make HiyaCFW 1.6.2.
    If don't use HiyaCFW 1.6.2 update package, it will make a HiyaCFW 1.5.1-d2b2c52.

    I downloaded HiyaCFW 1.6.0 update package before and make iQue's HiyaCFW successfully.
    I replace hiya.dsi(HiyaCFW 1.6.0 -> 1.6.2), it works fine.
    Is it better for me to use 1.5.1-d2b2c52 or 1.6.2 or 1.6.0?

    Edit: I compared them, 1.5.1-d2b2c52 is the same as 1.6.0's Launcher.

    Edit2: I tried a few more times , If there is 1.6.0(or1.5.1-d2b2c52)'s bootloader.nds &CHN in TWLMagician, TWLMagician got stuck at "FileNotFoundError: [WinError 3]" when make HiyaCFW 1.6.2.
    If there is no bootloader.nds &CHN in TWLMagician, TWLMagician failed path BIOS, when make HiyaCFW 1.6.2.

    Edit3: I found the reason...I think I've made a huge mistake:rofl:
    The HiyaCFW 1.6.2 update package I downloaded from Gamebrew was hiyacfw.7z(424KB)
    hiyaCFW-bin.7z(221KB) in hiyacfw.7z
    I put hiyaCFW-bin.7z(rename hiyacfw.7z) to TWLMagician's directory, it work...
    TWLMagician make iQue's HiyaCFW 1.6.2 successfully.

    Edit4: It doesn't seem to be made HiyaCFW 1.5.1-d2b2c52 anymore.
    If don't use HiyaCFW update package, TWLMagician will make a iQue'sHiyaCFW 1.6.2 too.
     
    Last edited by k66,
    k66 said:
    Doesn't iQue's NAND need to be updated?

    TWLMagician failed path BIOS, when make HiyaCFW 1.6.2.
    If don't use HiyaCFW 1.6.2 update package, it will make a HiyaCFW 1.5.1-d2b2c52.

    I downloaded HiyaCFW 1.6.0 update package before and make iQue's HiyaCFW successfully.
    I replace hiya.dsi(HiyaCFW 1.6.0 -> 1.6.2), it works fine.
    Is it better for me to use 1.5.1-d2b2c52 or 1.6.2 or 1.6.0?

    Edit: I compared them, 1.5.1-d2b2c52 is the same as 1.6.0's Launcher.

    Edit2: I tried a few more times , If there is 1.6.0(or1.5.1-d2b2c52)'s bootloader.nds &CHN in TWLMagician, TWLMagician got stuck at "FileNotFoundError: [WinError 3]" when make HiyaCFW 1.6.2.
    If there is no bootloader.nds &CHN in TWLMagician, TWLMagician failed path BIOS, when make HiyaCFW 1.6.2.
    Click to expand...
    Please open an issue here: https://github.com/R-YaTian/TWLMagician/issues
     
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    RocketRobz said:
    Please open an issue here: https://github.com/R-YaTian/TWLMagician/issues
    Click to expand...
    Sorry it's hard to access github issues because of my network issues:mellow:

    It's like...I haven't known what your avatar is due to my internet issues:huh:

    Edit: network was restored for 1 second:lol: https://github.com/R-YaTian/TWLMagician/issues/12

    Edit2: I found out that 1.5.1-d2b2c52 was created on December 31 last year.

    Edit3: I found TWLMagician cannot make a real old version HiyaCFW, all Launcher is the same as the 1.6.0 version.

    222.PNG
     
    Last edited by k66,
    Request for help:blink:
    Can hiyaCFW run on the DSi Panda? Which version works?
    .
    I've tried it multiple times in the past few days, but it('LR359A12' DSi panda clone) always ends up with a white screen...
    I thought it was a NAND issue, until just now I tried it on the original Panda, and it's still just a white screen.

    original DSi panda 1.4U_dev
    Installed the original Unlaunch 2.0 using godmode9i(program.tad)
    TWLMagician shows that 'XXX-dev' has been downloaded, making hiyaCFW went very smoothly, no error.
    hiyaCFW 1.6.2(made using the original/other panda NAND): DSi panda white screen. (error 1-2345-8325 on the retail DSi)
    hiyaCFW 1.6.2(made using the retail DSi NAND): DSi panda white screen. (works fine on the retail DSi)
    The SD card format is definitely correct.

    The same situation with the 'LR359A12' DSi panda clone (it's actually a real panda now)


    20260224_014728.jpg20260224_014800.jpg20260224_014818.jpg
     
    Last edited by k66,
    k66 said:
    Request for help:blink:
    Can hiyaCFW run on the DSi Panda? Which version works?
    .
    I've tried it multiple times in the past few days, but it('LR359A12' DSi panda clone) always ends up with a white screen...
    I thought it was a NAND issue, until just now I tried it on the original Panda, and it's still just a white screen.

    original DSi panda 1.4U_dev
    Installed the original Unlaunch 2.0 using godmode9i(program.tad)
    TWLMagician shows that 'XXX-dev' has been downloaded, making hiyaCFW went very smoothly, no error.
    hiyaCFW 1.6.2(made using the original/other panda NAND): DSi panda white screen. (error 1-2345-8325 on the retail DSi)
    hiyaCFW 1.6.2(made using the retail DSi NAND): DSi panda white screen. (works fine on the retail DSi)
    The SD card format is definitely correct.

    The same situation with the 'LR359A12' DSi panda clone (it's actually a real panda now)


    View attachment 558630View attachment 558631View attachment 558632
    Click to expand...
    I don't think it's ever been tested on a DSi Panda before, so I guess it's not compatible.
     
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    RocketRobz said:
    I don't think it's ever been tested on a DSi Panda before, so I guess it's not compatible.
    Click to expand...
    Today I used TWLMagician to recreate hiyaCFW 1.6.2, and it works now.
    I compared the two hiyaCFWs, and the difference is bootloader.nds.
    It might be due to old files(bootloader.nds & XXX-dev) in the TWLMagician installation directory?
    (I remember cleaning the directory before. I’m not sure if it’s related to my using a backup download point.)
    20260319_211558.jpg20260319_211602.jpg20260319_211623.jpg

    20260319_211646.jpg20260319_211959.jpg20260319_212120.jpg
     

    Attachments

    Last edited by k66,
    I found that when using the prototype DSimenu on dsipanda (I cannot install Unlaunch when using the prototype DSimenu, Unlaunch will make the prototype DSimenu unavailable), if I install hiyaCFW's tad file, it can be used to launch Unlaunch on the SD card, and this SDcard's Unlaunch can launch the retail DSi hiyaCFW's Launcher. :arrow:detail

    Unfortunately, the retail system hiyaCFW's sys apps/dsiware cannot be used (white screen).
    SLOT-1 cannot be used(unable to recognize the cartridge).
    (I think this is because of Unlaunch "cannot load blowfish key from rom/itcm"?)
    PICTOCHAT and DLplay work fine.
    The Launcher L/R camera of the retail system hiyaCFW can be used.

    Maybe there is a way to make other apps work too? Just like patching the Launcher when creating hiyaCFW?
     
    Last edited by k66,
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    Is there a performance penalty when running flashcards/cartridges if I'm using HiyaCFW?
    I'm thinking about it since is kinda a emunand or maybe it doesn't affect the cartridge running part
     

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