Solving the save data issue on AetherSX2 is essential for players who want immediate access to all 40 playable characters and secret moves without grinding through the challenging Ultra Mode. Many users struggle with "Memory Card Not Formatted" errors or save files simply not appearing in-game. How to Fix Save Data Issues in AetherSX2
Including secret Ultras like Astra and Justice. Story Mode 100%: All missions completed with "S" ranks.
We have re-signed the save data using modern AetherSX2 BIOS handshakes and stripped out any homebrew flags.
Locate the memory card file in that folder (e.g., Mcd001.mcr ).
If the audio stutters during the "Ultraman Mode" cutscenes, set EE Cycle Skip to "Mild Overclock (1)" to stabilize the frame rate. Texture Preloading: Ultraman Fighting Evolution 3 Save Data Aethersx2 Fixed
Open AetherSX2, launch Ultraman Fighting Evolution 3 , and load the game. If successful, all characters should be selectable in Versus mode. Troubleshooting "Fixed" Save Data Issues
If the BIOS matches and it still says "broken," the memory card file itself may be corrupted.
Download a 100% complete .ps2 memory card save file from trusted community hubs like the Ultraman Subreddit Save Thread or GameFAQs.
// Unlock All Characters (Fixed Checksum) Master Code 9010B208 0C041896 Solving the save data issue on AetherSX2 is
Ensure the downloaded save matches the region of your game ISO (typically Japan, ID: SLPS-25441 ).
However, in 2024 and beyond, most fans are not playing this on original hardware. They are playing it on , the premier PS2 emulator for Android (and now available on PC via similar builds). There is one problem that has plagued the community for years: Save Data corruption, region mismatches, and the dreaded "Data Load Failed" error.
If your game still shows 0% progress after importing, check these common fixes:
Save states are version-specific. If you update the emulator (especially between major builds like 3668 and 4248), your old save states may become incompatible. It's best to create an in-game memory card save before updating, then use it to generate new save states afterward. Story Mode 100%: All missions completed with "S" ranks
Since this is a well-known issue with the game on PS2 emulators, here is the "full paper" (detailed guide) on why this happens and how to fix it.
Navigate to the , click on your new 8MB card, and select Format . Step 2: Stop Using Raw Save States
Before we hand over the fix, you need to understand the technical glitch. If you have downloaded a "MAX" save file from a forum dating back to 2010, you have likely encountered these symptoms:
The PlayStation 2 emulation scene has matured significantly, but UFE3 is known to have issues with memory card saves on some versions of AetherSX2.
The save appears to load but no characters are unlocked.
