Tutorial  Updated

How to setup Atmosphere EmuMMC

The tutorial is more like
Setup EmuMMC, From SX to Atmosphere and keep using the both worlds.
If the moderator by any chance to come here, could you please change the title? Thanks.



YOU HAVE BEEN WARNED


There is always at least a risk to get you banned or unlikely to brick your Switch.

YOU'RE AT YOUR OWN RISK
I TAKE NO RESPONSIBILITY FOR ANY DAMAGES OR BAN.

You can use your current setup of SX's Emunand (hidden partition on the SD) to boot Atmosphere's Emummc using this tutorial. This will be considered as dual emunand booting. Take advantage of the both worlds.

CLEAN UP SYSNAND
> Skip this step if you're using SX's Emunand and being online on Sysnand.
> If you didn't have any previous clean nand backup before
You have no choice here to clean up a dirty nand without a clean nand backup but to believe in this method
> Stop here if you don't want to hurt yourself or even me

Skip this step if your Switch is a brand new one or never ever been hacked.

Access NAND using PC

What you will need
- biskeydump
https://files.sshnuke.net/biskeydumpv8.zip
Run the payload and write down (or scan QRCode) Bis Key 2
BIS KEY 2 (crypt): NUMBERS
BIS KEY 2 (tweak): NUMBERS

- memloader
https://files.sshnuke.net/memloaderv2.zip
Copy *.* in [sample] folder to SD and plug it in the Switch
Run the payload [memloader.bin]
Unplug any USB cable
> Choose emmc line
> Plug USB C <> USB A cable to the Switch and PC

- HacDiskMount
https://files.sshnuke.net/HacDiskMount1055.zip
Run the tool under Administrator permission
> Open Physical Disk > Choose Linux line
> Double click on SYSTEM and fill BisKeys2 in the small table on top
Crysto > BIS KEY 2 (crypt): NUMBERS
Tweak > BIS KEY 2 (tweak): NUMBERS
> Press on [Test] > you will get OK! Entropy
> From Drive Letter table > Choose a drive disk, N for example.
> Press on [Mount]
Install driver if needed.
Acess N drive from My Computer
> access save folder
> delete all files inside the save folder except 8000000000000120
> Press on [Unmount]

> Double click on USER and fill BisKeys3 in the small table on top
Crysto > BIS KEY 3 (crypt): NUMBERS
Tweak > BIS KEY 3 (tweak): NUMBERS
> Press on [Test] > you will get OK! Entropy
> From Drive Letter table > Choose a drive disk, N for example.
> Press on [Mount]
Install driver if needed.
Acess N drive from My Computer and Delete Everything
> Press on [Unmount] and unplug the USB cable

> Press on [Power] button for 15s or so to reboot the system​

> After rebooting, the system will be in initial setup stage.

CREATE EMUNAND AS HIDDEN PARTITION ON SD
> If you're SX Users and have been using their Emunand as hidden partition, just skip this step, go to COPY FILES
> Take advantage of SX Emunand creator (without valid license needed)
> Your SD will be formatted, backup your savedata and other data are needed.

Before creating emunand > Ensure you did delete all WIFI connections and turned on Airplane / Flight mode

Go to SX website > download their latest boot.dat > copy to the root of your SD
Download payload.bin for activating payload via your chosen tools

SX OS Bootloader Menu
> Options
> EmuNAND
> Create EmuNAND
> Hidden Partition on microSD

You will get "successfully done"

COPY FILES
Go to Atmosphere GitHub and download the latest release 0.9.0 and extract all files/ folders to the root of your SD

Create > emummc folder on the root of the SD

Create > emummc.ini file inside of emummc folder

Copy and paste this to emummc.ini

[emummc]
emummc_enabled = 1
emummc_sector = 0x2
emummc_nintendo_path = Emutendo <<< delete this line if you're not SX Users or don't want to keep using SX as your primary CFW

I got banned from ReSwitched discord because of Emutendo word. I'd like to help someone out but ended up in unexpected way. But it's okay.

Hope this will help out.
Enjoy!
 
Last edited by thaikhoa,
D

Deleted-172301

Guest
Really? That sucks as flashing the Ubuntu image with Etcher does the same. So I would have to dig into how to manually create that partition. :/
I plan on having SXOS, Atmosphere and Ubuntu on the switch while leaving SysNAND alone for online play. Did you figure out how to manually install the Ubuntu partition?
 
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Last edited by lordelan,
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D

Deleted-172301

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It sounds like its doable. I'll play with this some and let you know what I did. It sounds like we need to create a 3rd Ex4 Partition that lies before the EmuNand partition.
 
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lordelan

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It sounds like its doable. I'll play with this some and let you know what I did. It sounds like we need to create a 3rd Ex4 Partition that lies before the EmuNand partition.
Yeah and pull out the linux files from the L4T img file.
Great that you go ahead as I won't find the time for this until saturday evening. :)
I'll start creating an emuEMMC while I'm at work today though :)
 
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lordelan

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Just in case anybody needs this again (as shared here already multiple times):
Code:
[emummc]
enabled = 1
sector = 0x2
nintendo_path = Emutendo
That's the content of sd:\emummc\emummc.ini so hekate/Atmo can use SX OS's created emuNAND.
 
Last edited by lordelan,

laz305

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I forgot to do this step when creating emunand
delete my WiFi connections and go into Airplane mode
Can I just do it again starting from here or do I start all over?
and what would be the fallout from not doing this step?
 

v18281

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after erasing user and system partitions per instructions and reboot i am stuck at the initial joycon setup because i dont have an official left joycon but only a hori dpad joycon which doesnt get detected. any way to bypass the this screen?
 

0xDEADBEEF

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I'm thinking of changing my current Atmosphere setup to one with emuMMC, and my NAND backup from a year ago is the system's original 4.1.0 firmware. If I revert to that (assuming I didn't accidentally burn any fuses since I never did an update without ChoixDuJour), should I update it through Nintendo before starting the emuMMC installation process? The only data worth saving are two game saves I can get out with Checkpoint.
 

torekiki

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I came from Kosmos and I create emunand from my current sysnand (dirty). Can I share nintendo folder for both? Or I need to create a different nintendo folder? Also if I restore my previous clean nand backup?
 
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lordelan

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I came from Kosmos and I create emunand from my current sysnand (dirty). Can I share nintendo folder for both? Or I need to create a different nintendo folder? Also if I restore my previous clean nand backup?
It doesn't make sense to share the folder.
Think of it like a drive D:\ that you have on a PC.
Imagine that you have two different Windows 10 on your computer, both can access D:\
Now you install game X in Windows 1 to D:\Games\
Then you install game Y in Windows 2 to D:\Games\
Both are in the same folder but X is only launchable from Windows 1 and Y only from 2 (unless they are portable games without the need for a registry key lol).
Keep it separate.
If you install a new game in your sysNAND, it gets installed into the Nintendo folder.
However that game is not available in your emuNAND and vice versa.
Create a separate folder like Emutendo or something like this and use the emummc.ini in SD:\emuMMC\ to point to it.
 

torekiki

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It doesn't make sense to share the folder.
Think of it like a drive D:\ that you have on a PC.
Imagine that you have two different Windows 10 on your computer, both can access D:\
Now you install game X in Windows 1 to D:\Games\
Then you install game Y in Windows 2 to D:\Games\
Both are in the same folder but X is only launchable from Windows 1 and Y only from 2 (unless they are portable games without the need for a registry key lol).
Keep it separate.
If you install a new game in your sysNAND, it gets installed into the Nintendo folder.
However that game is not available in your emuNAND and vice versa.
Create a separate folder like Emutendo or something like this and use the emummc.ini in SD:\emuMMC\ to point to it.
Thank you! So it's better to copy my current nintendo folder to emummc/RAW1/Nintendo and after delete everythings from the original one for a clean sysnand?
 

lordelan

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Thank you! So it's better to copy my current nintendo folder to emummc/RAW1/Nintendo and after delete everythings from the original one for a clean sysnand?
I don't know how you created your emuNAND but yeah, since you created one, the Nintendo folder is the one belonging to your emuNAND now so either rename or move it around on the card and put the patch in the .ini as I told you. :)
The sysNAND will create itself a new Nintendo folder upon boot.
 

pr0dukt

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urgh. Okay got my emummc combined. Now this line is giving me grief.

dd if=<path to completeemummc.bin> of=/dev/r<your drive, disk2 for example> bs=2m conv=noerror,notrunc


Getting:

noerror
notrunc

Then nothing. I really dislike dd. It makes pointing to directories a pain in the ass.

How can I inject this completeemummc.bin into my hidden parition properly? Please someone just lay it out straight for me. I really want to be done with this aggravating shit.
 

Powerful

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Hey so I have a quick question, so I have SX OS emuNAND setup as hidden partition. I use Sysnand for online and SX OS emuNAND for modding purposes. In this tutorial of copy files section, does this allow you to boot either CFW atmosphere, or SX OS in emuNAND? I am confused how this works. Do I now inject atmosphere when I want to use that, and boot SX OS when I want to use that for emuNAND? If so how do I make sure this doesn’t boot into my Sysnand? And do all my files from emuNAND stay on both?
 

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