R4i & R4 Ultra is a SLOT-1 flash card for NDS series consoles (R4i supports DSi). It's the same size as an original card. R4 Ultra is an upgrade version of R4. It supports SDHC, has multi-media features, and can run that most games and homebrews. It is a equipment that have to been owned for the global NDS series player.Support SDHC memory cards ( compatibility up to 32GB) ; Change language of menu as you want without any limit; As same size and thickness as original card; No need to flash. Build-in launch Slot-2 (gba) function; Support DMA read and no lag when using any microSD card; Support FAT16 and FAT32. Can transfer files with PC, PDA, Cellphone and Camera; Support clean rom and drag-drop to play. Fast loading; Support NDS and iDS games. Run iDS games on any version of DS; Write save files to TF card directly and no need manual backup or restore them; Auto save type detection and no need to update save type list database; Support moonshell and home brew; Power saving design. Enter optimization mode automatically; Double screen UI. Support display thumbnails of games; Easy to use and setting ; Support button and touch operation both; Support Wi-Fi and rumble package and browser expansion; Support change back ground picture of menu; Support change font color of menu; Support brightness adjust (DS Lite only); Support soft-reset; Support AR cheat code; Support soft-reset of moonshell 1.6 (back to main menu of R4 Ultra) ; Support DLDI auto-patching; Support Download play