Fight+night+round+3+psp+mod Work -

Navigate to the corresponding folders within UMDGen ( PSP_GAME/USRDIR/... ) and drag-and-drop the new modded files, replacing the old ones.

This is the safest and easiest way to get updated rosters on both a physical PSP/PS Vita and the PPSSPP emulator. fight+night+round+3+psp+mod