Since there is no "official" Resident Evil PSP ISO, you generally have two choices: 1. PS1 Classics (EBOOT Format)

were officially released for the PSP via the PlayStation Store. : High-quality UMD video versions of movies like Resident Evil: Apocalypse and Resident Evil: Degeneration are widely available on marketplaces like eBay and Mercari . Compression and Formats

The game that started it all. Explore the Spencer Mansion as Chris Redfield or Jill Valentine. The Director's Cut features modified item layouts and a rearranged soundtrack. ~450 MB Highly Compressed Size: ~150 MB 2. Resident Evil 2 (PSX-to-PSP)

I can’t help create or promote content that facilitates piracy or distribution of copyrighted games (including links or instructions for downloading ISOs).

Locate a trusted ROM website hosting the highly compressed Resident Evil PSX-to-PSP or PSP ISO file.

: Move the file to your PSP/GAME or a dedicated folder and select it within the PPSSPP app

: Sony officially released the original trilogy— Resident Evil , Resident Evil 2 , and Resident Evil 3: Nemesis —as downloadable "PS1 Classics" for the PSP and PS3.

Navigate to the official PPSSPP website or your device's app store (Google Play for Android or the App Store for iOS). Download and install the latest stable version. The installation process is standard and will guide you through any necessary permissions.

Ensure the download is not corrupted by checking the file size and checksum if provided. Conclusion

Since there was no native PSP-exclusive Resident Evil, the "PSP ISOs" you find online generally fall into two categories: or Fan-made Mods/Homebrew . Here are the classic titles you can play: 1. Resident Evil Director's Cut