Most users fail because they put the cheat file in the wrong folder. Here is the correct path for a "better" installation.
Using a modern database file from a source like LunaMoo's workarounds on GitHub offers more than just infinite health: cheat db file for ppsspp better
: The original source for many cheat creators. 2. How to Install the Cheat Database Most users fail because they put the cheat
While there isn't one "official" file, the most reliable and frequently updated versions are hosted on GitHub by the community. Saramagrean's CWCheat Database Plus cheat db file for ppsspp better
: Navigate to Android/data/org.ppsspp.ppsspp/files/PSP/Cheats or PSP/Cheats in your internal storage.
folder in your device's internal storage or within the app's document directory. Steam Deck