By default, AetherSX2 saves memory card data in the following folder on your Android device:

/storage/emulated/0/Android/data/xyz.aethersx2.android/files/memcards/

Inside this folder, you will typically find:

Resident Evil 4 usually reads from Slot 1.

Cause: You inserted a save from a different region or a corrupted download. Solution:

There is nothing worse than being knee-deep in the Ganado village, surviving the terrifying cabin fight, only to realize your save file is corrupted—or worse, you don’t know how to transfer your progress to a new phone.

If you are playing Resident Evil 4 on AetherSX2 (the go-to PS2 emulator for Android), managing your save data is slightly different than on a console. Don't worry, though—I’ve got you covered.

Here is everything you need to know about saving, loading, and backing up your RE4 progress.

Download Save Editor for RE4 (PC) . Extract your save from Mcd001.ps2 using myMC, edit the values (set "Handcannon" to owned, set "Mercenaries Stars" to 5 per character), then inject it back.