: Run the resulting file on an NDS emulator such as DeSmuME or MelonDS .
: Use a tool like xDelta UI to apply the patch to your base ROM. Download Primeval Black2Phase1V2 ducumon rar
: You must provide your own clean Pokémon Black 2 NDS ROM. : Run the resulting file on an NDS
: Files typically come in .rar or .zip formats containing a .xdelta or .ups patch. Download Primeval Black2Phase1V2 ducumon rar