: Real PSP hardware must be running 6.60 custom firmware (CFW) or higher.
: Many modern "pre-patched" ISOs found in the community, such as the RedArtz English Patch v2 ISO, actually require a base v1.30 ISO with the 1.40 update applied via DLC files. Technical Breakdown of the v1.40 Patch God Eater 2 PSP V1.40 -JPN- -English Patch- ISO