The functionality of R4 Ultra

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;