The R4i Cartridge is the current top-of-the-line in SLOT-1 carts. Support 1.4.1 firmware upgrade. It is just an amazing little device like original cart size, it is a complete solution with no need to purchase any additional components or deal with any messy software and truly the easiest media enhancer you have ever done; To simply put it, this is a must have peripheral for any regular DSL / DSi / LL / XL host. (Limited to back up your copyright related content. Not used for illegal purposes.The resulting dispute has nothing to do with the company)

-Support the DSi Firmware V1.4.1
-Compatible with all DS editions of different kinds of language
-Supports DSL / DSi / LL / XL
-Supports Action Replay cheat
-DLDI auto-patching
-Support SDHC (Micro SD 4G,8G,16G,32G)
-2nd generation storage device (no booting tool required)
-Uses MicroSD card, FAT16 or 32
-Supports any MicroSD card speed with no lag in game
-Supports Clean ROM, drag and drop. Works on any OS
-Automatically detect saver type
-Saving directly to MicroSD card, not to onboard chip
-Supports Moonshell and other homebrew.
-User friendly skinnable interface. Touchscreen or button operation
-Supports rumble pak and memory pak
-Supports the WiFi game, DS Rumble Pak, DS Browser
-Supports changes of the background of Operation Interface
-Supports 4-scale-lightness adjustment ( DS Lite only )
-Supports the Soft Reset.
-Moonshell 2.02 support Software Reset function( Press START key back to the R4i menu)