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!
You will need a 9.2 3DS and an EmuNAND to do this.
If you're scared about losing games and certain data tied to your NNID, take the precautions...
[Tutorial] How to Bypass NNID Bans (Miiverse, Online, eShop, etc.)
We've discovered the fastest way to get around Nintendo Network ID Bans without formatting or deleting old NNIDs!
You will need a 9.2 3DS and an EmuNAND to do this.
If you're scared about losing games and certain data tied to your NNID, take the precautions...
[Tutorial] How to Bypass NNID Bans (Miiverse, Online, eShop, etc.)