Tutorial on 4.5+ to <4.5 with separated emunand and eshop working correctly

Discussion in '3DS - Tutorials' started by jimskeet2002, Jan 11, 2015.

  1. jimskeet2002
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    jimskeet2002 GBAtemp Fan

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    Ok I have seen a lot of confusion so I decided to make a guide on all the steps you need to take to go from higher than 4.5 firmware to lower than 4.5 with separated sysnand and emunand and eshop working normally. I won't go into detail on how every step is performed because there are already threads about them.

    1) First you need to run the new Gateway Ultra 3.0.1b exploit and create a backup of your sysnand just to be safe. Keep this file on your PC

    2) Then you go ahead and format emunand from gateway menu. (note that your sd card will be formatted so backup your data)

    3) Then update your emunand via system menu while on gateway mode (CAREFUL WITH THIS STEP SO YOU DON'T UPDATE YOUR SYSNAND CAUSE IF YOU DO YOU CAN'T USE GATEWAY ANY MORE)

    http://www.maxconsole.com/maxcon_forums/threads/286487-3DS-N3DS-Gateway-Ultra-Guide
    This is the guide on how to come till here.

    4) Now you are at a state that your sysnand and emunand share the same folder. You separate them by booting into sysnand, removing your SD card from 3ds and go to settings and format system memory. This will format your 3ds and erase anything (eshop games, NNID,etc,) but you already have them on emunand on the sd card. After formatting you will have to set up your 3ds again like if you run it for the first time. After setting it up again put your SD card back to your 3ds and let it configure on its own.

    Benefits of separating sysnand from emunand is that you won't have to unwrap some of the apps you install every time you boot emunand, and settings like theme selection and folder/app arrangement will be unique on each nand and won't be affected by the other

    5) Great now you have separated your sysnand from emunand but there is a problem. When you try to go into eshop from emunand you get an error. This happens because after format NNID info on sysnand are lost so you need to go back on sysnand and enter your existing NNID info on your 3ds. Do not create a new NNID. PUT EXISTING NNID ON SYSNAND NNID. After that you can get into eshop on emunand normally

    6) Last step is to boot gateway mode, backup sysnand again and downgrade your 3ds via the gateway downgrade option. After doing so you end up with a 4.5fw sysnand (for EU 3ds, I don't know about US or Japan etc) and your emunand as you left it. Eshop works normally on your emunand and sysnand is separated from emunand.

    Benefit of downgrading is that you don't need wifi any more to trigger the exploit. You just run the blue card once to install the exploit and then trigger it from system settings>profile settings>ds profile
     
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  2. PLEYOR

    PLEYOR GBAtemp Regular

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    Thanks for the guide, I will be trying this out on Monday. :)
     
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  3. felystar

    felystar GBAtemp Regular

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    When I formatted my sysnand, I didn't enter my NNID on it, and the eShop worked well on my emuNAND
     
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  4. jimskeet2002
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    jimskeet2002 GBAtemp Fan

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    I don't know about you but on mine and other guys 3dses after we formatted sysnand with sd card out of the 3ds we had to enter NNID on sysnand in order to go into eshop again on emunand.
     
  5. felystar

    felystar GBAtemp Regular

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    Strange...

    A few questions:
    -The first steps are only necessary If you don't have the emuNAND previously created, am I right? Because if you already have an emuNAND partition on your sdcard, creating a new one will delete it. You should include that in the guide.

    -After downgrading, your emuNAND has everything it had before, I mean the SD card does not get formatted?

    -The last one, in case I downgrade and I find not being able to enter the eshop, I guess I could use the downgrade menu pressing UP and update using my original 9.2 backup and that way sysnand and emunand would be linked again. So downgrading would keep eshop working. By the way, is there any trick to know if you can access the eshop without entering to it? I don't want to loose my themes...

    -extra one: if my retail games were played before I even updated to 4.5 (long time ago) when I downgrade I'll be able to keep playing them, right?
     
  6. jimskeet2002
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    jimskeet2002 GBAtemp Fan

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    My tutorial is about starting with a fresh 3ds without any exploits.
    If you have emunand already created means that you have already done the first steps and you now need to separate them
    After downgrade everything is as before on emunand.
    I don't know about upgrading again but before you downgrade enter your NNID first on your sysnand just to be safe
     
  7. DjoeN

    DjoeN Captain Haddock!

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    Somewhere in this potatoland!
    So, when i have formatted the sysnand and set up everything lika it should be
    i have to enter nnid again in sysnand, does this have to be the same as on emunand or a complete new one?
    or does that not matter?
     
  8. felystar

    felystar GBAtemp Regular

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    Okay I will.

    People say they cannot keep playing their retail games, mine were played before I even updated to 4.5 (long time ago) when I downgrade I'll be able to keep playing them?
     
  9. jimskeet2002
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    jimskeet2002 GBAtemp Fan

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    The same NNID info
    Haven't tried with new one. I suggest SAME

    Everything you had on sysnand is now also on emunand. After formatting sysnand everything you had on sysnand is lost and you cannot enter eshop from sysnand to download it.
    After the sysnand format your sysnand is only there to allow you to boot on emunand. Nothing else
     
  10. Arkansaw

    Arkansaw GBAtemp Advanced Fan

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    You will have better chances with those (since they shouldn't be using the new encryption at all), but there is always a risk.
     
  11. felystar

    felystar GBAtemp Regular

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    Sorry, double post
     
  12. felystar

    felystar GBAtemp Regular

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    Is it really necessary to back up my sysnand again? Can't I just copy my previous backup to the SD card?

    They are cartridge games, if I extract my sav using gateway and have dumped the game, can I use the sav with gateway?
     
  13. Rhokk222

    Rhokk222 Member

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    hmmmm looks like I may have already screwed this up. I set up my emunand before downgrading. Now my sysnand is on 4.2U and emunand is 9.4. Both are linked as I havnt unlinked them.

    Could I just format my sysnand now to unlink the two? Then reinput my NNID into the freshly formated 4.2 sysnand. Then my 9.4 emunand will be able to do eshop (im guessing).

    Would this work too? Basically same as your saying but I would be doing the unlinking AFTER downgrading while having emunand already setup prior to the downgrade.
     
  14. Cartman401

    Cartman401 GBAtemp Regular

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    There is a simpler method.

    This is assuming you have a 3ds already setup to use the shop and have booted the exploit.

    1) Backup sysnand and copy it to PC
    2) immediately downgrade to 4.5
    3) format emunand
    4) boot into emunand and upgrade
    5) boot into sysnand, remove SD card and format system memory.

    I did this last night and it was very straightforward. No messing with NNIDs either
     
  15. jimskeet2002
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    jimskeet2002 GBAtemp Fan

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    I don't know about this. On 4.2 there is no NNID since it was implemented on later firmware I don't know what would happen with eshop now if you format sysnand.
     
  16. jimskeet2002
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    jimskeet2002 GBAtemp Fan

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    This would might be better cause you create an emunand out of the downgraded 4.5 firmware
     
  17. Cartman401

    Cartman401 GBAtemp Regular

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    That's an interesting point, however certain settings are kept during upgrades and downgrades.

    Eg I had setup with my NNID and WiFi before I went through that process, and my settings remained no matter what I did. 4.5 didnt use NNID but the setting was still set when I upgraded to 9.4 emunand.
     
  18. thedarkmesh

    thedarkmesh Advanced Member

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    Won't "format system memory" in 9.2 sysNAND require a update first? or doesn't it?
     
  19. Romsstar

    Romsstar Operation Decoded

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    Why is that necessary?
    5) boot into sysnand, remove SD card and format system memory.
    I upgraded emunand and was able to access the eshop after that just fine in emunand.
     
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  20. thedarkmesh

    thedarkmesh Advanced Member

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    Thanks for clearing that up, will try that shorter method mentioned in this thread