Tutorial [Tutorial] How to Bypass NNID Bans (Miiverse, Online, eShop, etc.)

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PF2M

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Thanks to GBATemp User I pwned U! for this method. His original tutorial is here.

We've discovered the fastest way to get around Nintendo Network ID Bans without formatting or deleting old NNIDs!

A video tutorial by @DarkFlare69 is here. It features everything listed in this tutorial!

Note that this won't work for the 022-2812 or 002-0102 bans given to Sun/Moon players who used online functionality before release.
However, you can use this tutorial to switch your LocalFriendCodeSeed with another legit one to unban online services.

You will need arm9loaderhax or an EmuNAND to do this.
If you're scared about losing games and certain data tied to your NNID, take the precautions here before you start.

  1. Launch Decrypt9.
  2. Extract your SecureInfo_A from your emunand.
  3. Shut down your 3DS.
  4. Download an empty NNIDInfo.bin file here. Put it on the root of your SD Card.
  5. Open the SecureInfo_A in a hex editor and edit the serial number of your console. It will be in the 'Text' section, not the 'Hex' one. CTRXplorer will also work for this.
  6. Put the SD card back into your 3DS.
  7. Inject the modified nnidsave.bin and modified SecureInfo_A into your emuNAND. (I'd highly recommend you backup your NNIDSave first if you want to use the eShop later.)
  8. Boot emuNAND and create a new NNID. Have fun! ;)
If you get a black screen after doing the second method, your CFW doesn't support unsigned SecureInfo_A files! This usually happens on Gateway. To fix this, either inject the original SecureInfo_A file from your SysNAND or use Luma3DS with it.

Once you've done this, you can mess around with Miiverse Custom Image Tool or play whatever online games you want. This method changes your 3DS's ID so you don't have to worry about anything that you were banned from before, so even things not reliant on NNIDs will still work with it. Good luck!

Note that when making new NNIDs, email confirmation is not enforced, and you don't have to worry about it if you don't want to. The quickest email accepted by NNID Settings is [email protected].

For some information on the nnidsave.bin file, look here.
For a lot of information on the SecureInfo_A file, look here.
 
Last edited by PF2M, , Reason: Updated the OP to note that my NNID method was patched. (for now™)

Pecrow

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Testing it out :D

--edit--

So.. where are you seeing HW in the secure file? I have added an image below:
--removed--
 
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PF2M

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Testing it out :D

--edit--

So.. where are you seeing HW in the secure file? I have added an image below:
JTdwCdS.png
Looking back at the 3DS Pin # format, I'm pretty sure it was CW.
3DSSerialNumber.jpg

But either way, it'll definitely look out of place from all the Unicode character spam.
 

Pecrow

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It appears to work fine (3ds still boots :D) I had done a region swap and was hopping this would allow me to edit a secure file and be able to access eshop, but it looks like it did not, but still great tutorial thank you :D. That NNID thing is perfect for switching IDs with out formating emunand :D
 
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PF2M

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It'd be easier if Nintendo just gave the 3DS multiple users like on the Wii U. Then we could switch with the press of a button...
 
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Pecrow

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If anyone ever comes across a solultion to the Error 007-2001 after switching emunand regions I would be so happy. I have a Japn3ds and USA emunand, and I have actually wanted to buy stuff off of the eshop but I cant :(, had my hopes up that after editing this file it would magically work, lol
 

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that mean I would lose the nnid purchased games or download history
No, just make sure not to enter the eShop afterwards if you want to keep all of your games and data. When you want to use the eShop again, follow the tutorial again, but link your original NNID instead of making a new one.
 

GamingAori

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Hey,
My 3ds was banned from playing online does it fix my problem? i can acces to the eshop but i cant play online at the moment.
 

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Hey,
My 3ds was banned from playing online does it fix my problem? i can acces to the eshop but i cant play online at the moment.
If you do the part with editing the serial number in your SecureInfo_A and use a CFW with support for unsigned SecureInfo_A files, then you should be able to play online again!
Wonder if this will unban Badge Arcade ;) (not that i need it, don't play it anymore.)
I heard that those are NNID bans, so if you follow the section for NNID bans, then yes, you will be able to use it again!

Keep in mind though, that the save data for the Badge Arcade is tied to your NNID, so you will have to start back from the beginning with a new NNID.
 
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