Here’s where emulation gets interesting. Because AetherSX2 handles save data at the virtual memory sector level, it exposes oddities the original PS2 hid.
Open your Android File Manager and navigate to the internal storage directory where Aethersx2 keeps its system files: Android/data/xyz.aethersx2.android/files/memcards/
Open AetherSX2, tap the top-left menu, and select Transfer Data to access the internal memcards folder, which is otherwise restricted on many Android versions. Dragon Ball Budokai Tenkaichi 3 Aethersx2 Save Data
: Offers various files including "100% complete history/missions" and "All Characters with best Red Potaras".
The save file might be corrupted during download or incompatible with the AetherSX2 version. Try downloading a different save file. Here’s where emulation gets interesting
The native Android file picker can be restrictive. Apps like ZArchiver or Solid Explorer are highly recommended for handling compressed files and moving data into Android's scoped storage directories.
To ensure your progress is never lost and to avoid performance pitfalls, follow these best practices. The native Android file picker can be restrictive
Note for purists: Keep a backup of your original save. You can always swap back.