Since Dragon Ball Z: Budokai Tenkaichi 4 does not officially exist (the series ended at Tenkaichi 3, though fans often mod Tenkaichi 3 or refer to the upcoming Sparking! Zero as the spiritual successor), I assume you are referring to the popular "Tenkaichi 4" fan mods (such as the BT4 mod for Budokai Tenkaichi 3 on PS2/Emulator) or perhaps a "What If" scenario regarding Sparking! Zero.
The save data for Dragon Ball Z: Budokai Tenkaichi 4 is stored on the console's memory. For the PlayStation 2 version, the save data is located on the PS2 memory card (8MB or 16MB). For the PlayStation Portable version, the save data is stored on the PSP memory card. dragon ball z budokai tenkaichi 4 save data
You need to be careful. When searching for "Dragon Ball Z Budokai Tenkaichi 4 save data," you are likely looking for one of two things: Since Dragon Ball Z: Budokai Tenkaichi 4 does
Several cheats and codes can be used to unlock characters, stages, and other content in Dragon Ball Z: Budokai Tenkaichi 4. Some popular cheats and codes include: The save data for Dragon Ball Z: Budokai