The Newest Comparison among Popular 3DS Flashcarts about consoles and Firmwares
SKY3DS can now support all New3DS/3DSLL, 3DS/XL, 2DS consoles(US,EU,JP) with any 3DS system version(including the newest 9.4.0-21), no game limit, no region block.
Gateway 3DS card can play 3ds games on the V4.1-9.2, and also released a downgrade pack for people downgrade their consoles into 4.X . still no support for NEW 3DS and 9.3-9.4.
And players can also use cheaper 3ds flascards like R4i gold 3ds deluxe edition, MT cards to play 3DS games after them downgraded their consoles in to 4.X with the downgrade pack.