If you only have a .max or .xps file (common for PCSX2), convert it:

: If the game fails to recognize your progress, start a new game saving, then navigate to Options > Save/Load in the main menu to manually force-load your data. Region Mismatch

, enter the browser, and select the card to format it first. Corrupt Files

For AetherSX2, save data is typically stored in the following directory on your mobile device: Android/data/xyz.aethersx2.android/files/memcards/ : These are usually files representing virtual memory cards. How to Use 100% Save Files