The last version of the R4i 3DS Unlimited Upgradeable version. It supports All Nintendo DS, Nintendo DS Lite systems. It also has support for Nintendo DSi and DSi XL systems up to version 1.4.4
It does offer better support for microSD Cards than the original R4 DS and can use microSD cards up to 16GB in size offering up plenty of space for your games, movies, music, homebrew, apps, games and more.
downloaded from the net got my dsxl working straight away