How to unhack 3DS?
Go to System Settings,then “Internet Settings”,then “SpotPass”,then “Sending of System Information”
Can You jailbreak 3DS?
Jacob Fenning, modded 3 nintendo 3DS systems, a Wii, and a Wii U. Anyone can jailbreak a 3ds its not that hard. If you follow every single step on this website: 3DS Hacks Guide you can do it, you might need to purchase a $2 dollar game from the eShop though depending on what version your 3ds is on currently.
Do flash cards work on 3DS?
3DS Compatible flash cartridges can be used for playing NDS roms on 3DS. They can run commercial DS games, DSi games and DS Homebrew Apps on 3DS, but are not currently able to run 3DS ROM backups. Most likely for N3DS games we will need a new generation of R4 3DS flash cards.