The guy with the ball can ' t get called for a facemask like that , I believe <| sep |> The xxxhax are entrypoint exploits , for getting into homebrew . A 9 lh is the best method currently for running CFW custom firmware . Luma 3 DS is the most used and best supported Custom Firmware . NNID stands for Nintendo Network ID , links your console to purchases etc . Ctr makes your console appear to the servers to be on the most recent firmware , allowed you to access eshop on a lower firmware than the most recent , allowing you to avoid updating and still use entrypoints that were patched in a more recent version . SD card reader for 3 ds 3 dsxl Micro SD card reader for New 3 DS and New 3 DS xl . Homebrew is custom made programs , such as for installing exploits or backing up saves . CFW is Custom Firmware , allows you to install CIA files , avoid region locking and much more . Luma 3 DS is this . A 9 LH boots CFW such as Luma 3 DS . Not that I ' m aware . Feel free to PM me .