: Ensure your device has custom firmware installed. Connect your PSP to your computer and move the .iso file into the ISO folder in the root directory of your memory stick.
While "jda" is a generic tag, it is frequently associated with a popular tactical RPG developed by Level-5 for the PSP. Given the "jda" prefix and the USA region tag, this file almost certainly contains the USA version of Jeanne d'Arc . Usage Instructions
: Indicates that the game is the North American (Region 1) version, intended for the US/Canadian market.
: Use a tool like 7-Zip or WinRAR to extract the .rar file. You should end up with a single file ending in .iso .
