This is the secret sauce for the keyword: aethersx2 bios upd. You don't just want the game to run; you want it to run better than on native hardware.
There is no "new version" of the PS2 BIOS that will magically improve performance. The PlayStation 2 hardware had several BIOS revisions (e.g., v1.0 through v2.3), but for emulation purposes, the differences are largely negligible for DBZ BT3. dragon ball z budokai tenkaichi 3 aethersx2 bios upd
Crucially: You cannot download a "BIOS update" from the Google Play Store or a random website safely. You must dump this file from your own PlayStation 2 console. Downloading BIOS files from the internet is a violation of copyright law and is the primary reason legitimate emulators get shut down. This is the secret sauce for the keyword:
Even with the right files, you might hit snags. Here are the top problems for this specific game. Crucially: You cannot download a "BIOS update" from
To make Tenkaichi 3 feel like native PS2 hardware, apply these specific settings: