Homebrew RELEASE Nintendo Switch SD to NSP Dumper

Draxzelex · Jan 8, 2022

w350922439 said:
same as i.i have a Mariko switch,sysnand is 11.0.1,the error always PRODINFO.bin corrupted or not decrypted correctly - RSA failed to decrypt correctly". when i use the same sept to other one,Erista use sd to nsp is fine.

I think this tool needs to be updated for Mariko units. In the meantime, you can use NXDumpTool.

BaamAlex · Apr 20, 2022

Supercool330 said:
Ok, this tool still works, but the instructions are out of date and use extremely outdated tools.

Things you'll need:
Hekate & Nyx
Lockpick_RCM
NxNandManager
SwitchSDTool (obviously)

1) Download the game and any updates to your SD card from eShop on stock.
2) Use Lockpick_RCM to dump SysNAND keys.
3) Use Hekate to dump eMMC SYS GPP Partitions (should only take a minute since it skips the USER partition)
4) Install the driver that comes with NxNandManager. Open NxNandManager and load the prod.keys file created with Lockpick_RCM.
5) Use NxNandManager to open the PRODINFO partition from the dump, and right click to decrypt and export. Save this as PRODINFO.bin in the same directory as SwitchSDTool.
6) Use NxNandManager to open the SYSTEM partition from the dump, and mount it as drive in windows.
7) Make a copy of prod.keys named keys.txt in the same directory as SwitchSDTool.
8) Open SwitchSDTool and set the SD Folder to the root of your SD card, and set System Path to the root of the mounted SYSTEM partition.
9) In my experience, I need to reload SwitchSDTool after changing these directories before the settings take effect for some reason. After reopening, all the buttons should work normally.

This is significantly simpler than the instructions listed with the tool. You only need to dump the SYS partitions which is much faster than dumping the entire NAND. You also don't need to lookup the eticket_rsa_kek (since lockpick dumps it).

Do i have to dump all the stuff again when i want to dump a new game from my sysnand?

Supercool330 · Apr 20, 2022

BaamAlex said:
Do i have to dump all the stuff again when i want to dump a new game from my sysnand?

You only need to redump the SYSTEM partition (eMMC SYS GPP in Hekate), and have the game on your SD. Luckily, none of these pieces take very long to dump (only the USER partition is complicated).

BaamAlex · Apr 20, 2022

@Supercool330 thanks for your fast answer.

noX1609 · May 13, 2022

Supercool330 said:
Ok, this tool still works, but the instructions are out of date and use extremely outdated tools.

Things you'll need:
Hekate & Nyx
Lockpick_RCM
NxNandManager
SwitchSDTool (obviously)

1) Download the game and any updates to your SD card from eShop on stock.
2) Use Lockpick_RCM to dump SysNAND keys.
3) Use Hekate to dump eMMC SYS GPP Partitions (should only take a minute since it skips the USER partition)
4) Install the driver that comes with NxNandManager. Open NxNandManager and load the prod.keys file created with Lockpick_RCM.
5) Use NxNandManager to open the PRODINFO partition from the dump, and right click to decrypt and export. Save this as PRODINFO.bin in the same directory as SwitchSDTool.
6) Use NxNandManager to open the SYSTEM partition from the dump, and mount it as drive in windows.
7) Make a copy of prod.keys named keys.txt in the same directory as SwitchSDTool.
8) Open SwitchSDTool and set the SD Folder to the root of your SD card, and set System Path to the root of the mounted SYSTEM partition.
9) In my experience, I need to reload SwitchSDTool after changing these directories before the settings take effect for some reason. After reopening, all the buttons should work normally.

This is significantly simpler than the instructions listed with the tool. You only need to dump the SYS partitions which is much faster than dumping the entire NAND. You also don't need to lookup the eticket_rsa_kek (since lockpick dumps it).

Tried that but didn‘t work.
I have latest firmware (so i can access eshop) installed and on PC Windows 11.

Everything worked until last step. As soon as i click on the game to save it as NSP first thing the tool does is dump the tickets. There i immediately get an OutOfMemoryException. Tried starting tool normally and as Administrator. As Administrator i get the OutOfMemoryException (but both disk space and ram is more than enough free space left), if i start it normally the tool always displays that SD Key can‘t be loaded but it‘s included in keys.txt (dumped fresh copy as soon as i created the emmc System backup) so don‘t know what‘s the problem, did everything as mentioned in you tutorial.

Evan5935 · Jun 3, 2022

noX1609 said:
Tried that but didn‘t work.
I have latest firmware (so i can access eshop) installed and on PC Windows 11.

Everything worked until last step. As soon as i click on the game to save it as NSP first thing the tool does is dump the tickets. There i immediately get an OutOfMemoryException. Tried starting tool normally and as Administrator. As Administrator i get the OutOfMemoryException (but both disk space and ram is more than enough free space left), if i start it normally the tool always displays that SD Key can‘t be loaded but it‘s included in keys.txt (dumped fresh copy as soon as i created the emmc System backup) so don‘t know what‘s the problem, did everything as mentioned in you tutorial.

i got the same thing until i messed around a bit.

you have to have mount the backup of SYSTEM as the step says, but the backup of SYSTEM has to be on your switch's SD, as well as the "decryption path" folder. once you extract the tickets and decrypt the nca's, parse should work perfectly!

if it still gives you that error, try deleting the "Tools" folder wherever you extracted switchSDtools to, running the program as admin, and repeating the configuration for SD folder, System path, decryption path and nsp output path (which the nsp output folder can be anywhere like your hard drive.) and running through the find SD key/Load RSA KEK/ticket etc. part

dogtygr · May 31, 2023

Hi everyone!

I can't post with my old account so I had to create a new one.
I found this tool really interesting as I use emmnand and don't use any kind of cfw in sysnand. This was the perfect tool to backup my games. I tried to make it work with my modded mariko switch and unfortunately it didn't work anymore.

This tool hasn't been updated for years so I decided to update it myself. I thought it would be nice to share what I did with everyone. I didn't create a fork because I don't think it would be appropriate and the changes I made cannot be used in a PR.

Here are the changes I've done:
- Fixed some issues with the explorer browser
- Updated the tool to use the latest version of libhac
- The keys aren't generated with the PRODINFO file now. Every key is taken from the keys.txt file generated by lockpick_rcm. This means that this tool works with a mariko switch (I've tested it myself). The prodinfo file is still needed to get the serial number of the switch but is pretty much useless I didn't modify this part of the code.

I initially modified the code for my own use and decided to share it afterward so the code might not be the cleanest. I'll attach the binaries and a patch file explaining all the changes I've made

Nextria · Apr 16, 2024

dogtygr said:
Hi everyone!

I can't post with my old account so I had to create a new one.
I found this tool really interesting as I use emmnand and don't use any kind of cfw in sysnand. This was the perfect tool to backup my games. I tried to make it work with my modded mariko switch and unfortunately it didn't work anymore.

This tool hasn't been updated for years so I decided to update it myself. I thought it would be nice to share what I did with everyone. I didn't create a fork because I don't think it would be appropriate and the changes I made cannot be used in a PR.

Here are the changes I've done:
- Fixed some issues with the explorer browser
- Updated the tool to use the latest version of libhac
- The keys aren't generated with the PRODINFO file now. Every key is taken from the keys.txt file generated by lockpick_rcm. This means that this tool works with a mariko switch (I've tested it myself). The prodinfo file is still needed to get the serial number of the switch but is pretty much useless I didn't modify this part of the code.

I initially modified the code for my own use and decided to share it afterward so the code might not be the cleanest. I'll attach the binaries and a patch file explaining all the changes I've made

Hello,
I know this is a old thread, but i cant seem to get this working again with my oled.
i have the decrypted PRODINFO.bin, and the key's from firmware 18.0.0
but i keep getting a error "extracted rsa key is not for this ticket"

do you have any idea ?

Visualwit · Apr 20, 2024

Nextria said:
Hello,
I know this is a old thread, but i cant seem to get this working again with my oled.
i have the decrypted PRODINFO.bin, and the key's from firmware 18.0.0
but i keep getting a error "extracted rsa key is not for this ticket"

do you have any idea ?

Do you have a mariko switch? and are you using the updated version from #227?

dogtygr · Apr 21, 2024

Nextria said:
Hello,
I know this is a old thread, but i cant seem to get this working again with my oled.
i have the decrypted PRODINFO.bin, and the key's from firmware 18.0.0
but i keep getting a error "extracted rsa key is not for this ticket"

do you have any idea ?

Hi can you tell me exactly what you did (like the whole process)? The nca you wanted to get packed ?

Nextria · 2024-05-02T11:02:20+0100

dogtygr said:
Hi can you tell me exactly what you did (like the whole process)? The nca you wanted to get packed ?

Hi, sorry for the late response, okay so i downloaded the release from this threat.
I downloaded the latest version of nxnandmanager ( that supports 18.0.0)

i dumped my keys with lockpick, made a backup of the nand (i did full and system only both dont work)

I load my keys in nxnandmanager, decrypt my prodinfo.bin, load system, and mount it as a drive. ( i can also see the files)

After that i open Switch dumper, select my sd drive , select the mounted system partition.
Set the decrypt and nsp output path.

I select Find SD card, it shows " sd key loaded.
i select load rsa kek it shows "RSA key extracted successfully from prodinfo.bin"

i select extract tickets it shows "done, 14 tickets dumped, Cannon extract personal tickets - Error extracted RSA keu not for this ticket"

than if i want to extract one of the games, it shows "Packing mars base [01006B1016BF800][v0].nsx failed."
but if i try the update, it not gives me a error.

I have a Switch oled, it checked my serial number and its also correct.
Not sure what i am doing wrong

BaamAlex · 2024-05-02T11:44:52+0100

Nextria said:
Hi, sorry for the late response, okay so i downloaded the release from this threat.
I downloaded the latest version of nxnandmanager ( that supports 18.0.0)

i dumped my keys with lockpick, made a backup of the nand (i did full and system only both dont work)

I load my keys in nxnandmanager, decrypt my prodinfo.bin, load system, and mount it as a drive. ( i can also see the files)

After that i open Switch dumper, select my sd drive , select the mounted system partition.
Set the decrypt and nsp output path.

I select Find SD card, it shows " sd key loaded.
i select load rsa kek it shows "RSA key extracted successfully from prodinfo.bin"

i select extract tickets it shows "done, 14 tickets dumped, Cannon extract personal tickets - Error extracted RSA keu not for this ticket"

than if i want to extract one of the games, it shows "Packing mars base [01006B1016BF800][v0].nsx failed."
but if i try the update, it not gives me a error.

I have a Switch oled, it checked my serial number and its also correct.
Not sure what i am doing wrong

In the meantime, I would no longer use this tool. Not because it's a bit older, but because I now also run my cfw in sysnand. There you can easily dump a game via dbi. I would also recommend it. And if you then switch back to emunand, you install the copy there. It's very simple. Then all the steps are eliminated.

Nextria · 2024-05-02T11:59:45+0100

BaamAlex said:
In the meantime, I would no longer use this tool. Not because it's a bit older, but because I now also run my cfw in sysnand. There you can easily dump a game via dbi. I would also recommend it. And if you then switch back to emunand, you install the copy there. It's very simple. Then all the steps are eliminated.

Hey, I know we can do it like this too but would like to keep my system nand clean.

I can also put the games on the nand memory and make a new sd emummc, from there I can use dbi or nxdumper

dogtygr · 2024-05-02T12:53:51+0100

Nextria said:
Hi, sorry for the late response, okay so i downloaded the release from this threat.
I downloaded the latest version of nxnandmanager ( that supports 18.0.0)

i dumped my keys with lockpick, made a backup of the nand (i did full and system only both dont work)

I load my keys in nxnandmanager, decrypt my prodinfo.bin, load system, and mount it as a drive. ( i can also see the files)

After that i open Switch dumper, select my sd drive , select the mounted system partition.
Set the decrypt and nsp output path.

I select Find SD card, it shows " sd key loaded.
i select load rsa kek it shows "RSA key extracted successfully from prodinfo.bin"

i select extract tickets it shows "done, 14 tickets dumped, Cannon extract personal tickets - Error extracted RSA keu not for this ticket"

than if i want to extract one of the games, it shows "Packing mars base [01006B1016BF800][v0].nsx failed."
but if i try the update, it not gives me a error.

I have a Switch oled, it checked my serial number and its also correct.
Not sure what i am doing wrong

Thank you for replying! It seems like I can't replicate the problem, I have a three week off next week I'll try again next week. I have an idea of what might be the issue but I'll need to make some tests.

Homebrew RELEASE Nintendo Switch SD to NSP Dumper

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