Here's the latest way to region unlock your 3DS – Destructoid
Unlock Everything in Super Smash Bros. 3DS
Super Smash Bros 3DS - How to Unlock All Characters - YouTube
I recently successfully homebrewed my 3DS. After freeing region lock, almost all my cfw apps are gone. : r/3dspiracy
Nintendo 3DS | Features | Hardware | Nintendo
3ds Max 2023 Help | Locking and Unlocking Tracks | Autodesk
Nintendo 3DS | Features | Hardware | Nintendo
I just got Mario maker 3DS and trying to unlock new materials help. I already have up to level 4 with bowser and tracks but that's how the game came from eBay :
Nintendo Debuts New 3DS Named 'New 3DS'
Amazon.com: Super Smash Bros. - Nintendo 3DS : Nintendo of America: Everything Else