Connect your PSP to a computer. Move the extracted .ISO or .CSO file into the folder named ISO on the root of your Memory Stick.
Creating your own CSO files is a straightforward process using a few key tools. Here are the most reliable ones:
Set to 1 (helps eliminate audio stutter on slower phones).
Connect your PSP to your computer using a USB cable, or insert your MicroSD card into a card reader. Open the root directory of your PSP storage.
Developers used to add useless data to fill up physical UMD discs. Compression removes these "dummy files."
For decades, the Caped Crusader has dominated not just the big screen, but also the handheld gaming world. Among the most searched—and most misunderstood—phrases in the retro gaming community is If you’ve typed these words into a search engine, you’re likely looking to relive the gritty streets of Gotham on your PlayStation Portable without eating up your memory stick’s limited space.
