Many users ask: "I trimmed my other DS games. Why can’t I trim DSi games?"
When you see the error "The Dsi Binaries Are Missing Please Obtain A Clean Rom," it means:
This error is most common when using NDS Header Tools, ROM Trimming Utilities, or AP (Anti-Piracy) Patches that weren’t designed with DSi compatibility in mind. The Dsi Binaries Are Missing Please Obtain A Clean Rom
If you’re seeing the error message "The DSi binaries are missing. Please obtain a clean ROM" when trying to play a Nintendo DS game on an emulator (especially DeSmuME, melonDS, or a RetroArch core), you’re not alone. This is a common but easily fixable issue.
Use a tool like ndstool (part of devkitARM) or a Windows GUI tool like DSBuff or NDS Editor: Many users ask: "I trimmed my other DS games
ndstool -i yourgame.nds
Look for:
Alternatively, check the file size:
Use NO$GBA.INI and set:
DSi BIOS File = dsi_bios9.bin
DSi Firmware File = dsi_firmware.bin
A "clean ROM" means:
Where to get clean ROMs legally: