R4i Gold edition now works with DSi Firmware v1.4 ,No need to upgrade firmware!
It also support SDHC meaning 1GB, 2GB, 4GB, and up to 16GB microSD to give you the flexibility to expand in future!Compatible with all DS editions of different kinds of language
R4i Gold Edition Official Features:
Supports Action Replay cheat
Support SDHC (Micro SD 4G,8G,16G,32G)
2nd generation storage device (no booting tool required)
Flush fitting slot 1 card
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
Built in NoPass
Automatically detect save type
Save 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
Support Skin DIY by setting background and font colors on Main Menu and Game Menu manually and automatically
Supports 4-scale-lightness adjustment ( DS Lite only )
Supports the Soft Reset.
Moonshell 1.71 support Software Reset function( Press START key back to the R4 menu)