Tutorial  Updated

How to use LayeredFS for Backup Loading + What Games Work/Don't

This thread is outdated
A lot of information in this thread is heavilly out of date.
If you have time, and have Staff permission, feel free to edit this thread and remove this statement once necessary.

Some information that needs to be addressed:
  • SX OS and Atmosphere now supports proper LayeredFS, instructions for using it has changed since this tutorial was made
  • Supported Firmware information is out of date
  • LFSKit needs to be updated to properly support non 5.x.x firmware
  • Compatability chart needs to be re-made
-PRAGMA


WARNING
  • DO NOT GO ONLINE WHEN DOING THIS (YOU WILL BE BANNED)


How to use LayeredFS for Backup Loading

Firmware Supported: ONLY 5.x.x
Use the PRAGMA LFS Kit below.

PRAGMA's LFS Kit

DOWNLOAD
SOURCE

  • Go from NOTHING in your SD Card to playing a game backup in a few clicks!
  • Decrypt .XCI -> romfs/exefs folder with main.nmpd auto edited aswell as folder's name auto renamed to donor titleid
  • Download NOTHING except LFSKit!
ENJOY!

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Picking a Donor Title and getting Donor TitleIDRunning Game Backups!


    1. A donor title is the application we will run to open the backup.
      Pick a game you don't care about (Download a Demo or a free game from eShop, for example Octopath Demo)
      saves are something no one knows much about, we don't fully know where or how they are stored.
      They might overwrite the donor titles save, so seriously pick a game you DONT care about, not a game you rarely play.

    2. I also recommend picking a donor title/game combo that has been tested and reported working just so you know if YOU did something wrong or not.
    3. Find the TitleID of the donor title you chose from http://nswdb.com or http://switchbrew.org/index.php?title=Title_list/Games
      Region must be the same, choose the TitleID for the base-game NOT for the update title, even if your updated.

    1. Once again, boot into Hekate-IPL (Step 1).
    2. Enter "Launch firmware" and select "RomFS".
    3. Your now in your system's home menu.
    4. Open the Donor Title you set the TitleID of on that folder and .npmd file earlier.
    5. The game will load up flawlessly.
      If you opened the Title lets say, Fortnite, and Fortnite booted, the titleid of the folder in sd:/atmosphere/titles/{fortnitetitleid} doesnt exist, or doesnt start with 0100.
      If it gives you an error screen, either you didnt edit the main.npmd properly, or its an incompatible title/donor combo.
    To see which games work and which dont using which donor titles, look below.
    If you notice that you used a combination of Game and Donor title that isnt in the list below, post in the thread and I will add it. (look under to see what I need to add to chart).


Troubleshooting

  • Black Screen/Infinitely Loading
    Leave it for around 5 minutes then press the home button and go back into the game without closing it. Often this can do the job.
  • Freeze when Loading
    Close the game and try again, its a common occurence, you may have to try up to 4-5 times before getting it to work, sometimes you may even have to reboot between retries.
 
Last edited by PRAGMA,

Zumoly

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So hm...Guys about the demo games taking space:
Won't it be better if they could be installed on the internal memory?
Will layeredFS still work? Can someone confirm?
It'll be a waste to let 27GB go...!
 

Crownfox

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I see people are still dumping their reports in this thread, since it's stickied.

Take note of my listing: Link
And submit a report: Link

There's already 78 games listed with 257 individual reports and reports of 64 separate games working with saves.
 
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Crownfox

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According to that list, Pokemon Quest wont work as donor for Super Bomberman R, trying with Fornite now.
It does, but remember not to take it as gospel, since some reporters may have been using PRAGMA's kit, which wasn't working for me when I used it. So your mileage may vary.
 
D

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So if 1-2 switch doesn't work because of that offset... then in theory, (once I check) mario kart 8 deluxe first run carts can get it running. Because if I'm not mistakened, mario kart 8 deluxe suffers the same problem. I'm currently dumping mario kart 8 deluxe and I'll check the header offset. And then try a mk8 as a donnor for 1-2
 
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thewindmage

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So if 1-2 switch doesn't work because of that offset... then in theory, (once I check) mario kart 8 deluxe first run carts can get it running. Because if I'm not mistakened, mario kart 8 deluxe suffers the same problem. I'm currently dumping mario kart 8 deluxe and I'll check the header offset. And then try a mk8 as a donnor for 1-2
If this is true then we may be able to use 1-2 Switch as a donor for mk8. If you'd like to test it in reverse as well, that may be beneficial.
 
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thewindmage

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I can confirm that backups work just fine with titles downloaded on the Switch internal memory. Best to load as many of those as you can onto it if you're interested in testing titles
 
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Nemean

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I can confirm that backups work just fine with titles downloaded on the Switch internal memory. Best to load as many of those as you can onto it if you're interested in testing titles

Just to check as all of mine are on internal memory can we store them on SD card and backups still work? Also if thats the case what would be the advantage of them being on internal memory?
 
D

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Crap... I need a bit of help, so I'm getting stumped by the fact it's little endian, and to be honest, I don't understand it period. ( I get the concept in a way the data is flipped and is practially backwards. But there's more to it if I'm correct.) Can someone do me a favor and convert 0100152000022000 to little endian (this is so I can check if mario kart 8 deluxe is at a different offset.) Also maybe explaining how little edian works so I don't have to ask for help... :P

--------------------- MERGED ---------------------------

Just to check as all of mine are on internal memory can we store them on SD card and backups still work? Also if thats the case what would be the advantage of them being on internal memory?
better storage utilization. I mean what's not the point of using that internal memory?
 
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xXDungeon_CrawlerXx

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Is it possible layeredfs is failing for some titles because of the titleid offset o.o Holy fuck think about it, whats a title that hasnt run at all yet? 1-2-Switch. What offset is that using? 0x430, not 0x440 like almost every other title.
If anyone can, try verify im correct on this topic.
I dont have lfs source so I cant do any tests.
It's very possible the titles that isn't running is caused by this.

Nope, this is probably not the reason.
I used VOEZ over VOEZ Demo.
upload_2018-6-20_12-12-30.png

and it worked
 

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