for the PlayStation Portable (PSP). The files found online labeled as "BT3 ISO for PPSSPP" are almost exclusively fan-made mods of a different official game, Dragon Ball Z: Tenkaichi Tag Team (TTT)
: Most "highly compressed" versions are actually modded ISOs of Tenkaichi Tag Team (TTT). Compression Sizes : Highly Compressed : Typically ranges from 250MB to 350MB . for the PlayStation Portable (PSP)
If you have a modern mid-range phone (Snapdragon 680 or better), you can actually run the full uncompressed 1.4GB ISO perfectly fine. Only use “highly compressed” if you are genuinely low on storage (under 500MB free). for the PlayStation Portable (PSP)