Summarize the key points: existence of the PSP version, differences from PS3, technical limitations, legal status of ISOs, and availability through legal means if possible. Check if the PSP version was officially released and when. Maybe cite sources or official announcements.
I need to check the release dates. The PS3 version came out in November 2011. If there's a PSP version, it might have been released around the same time or slightly later. Let me think, though, in Japan and Europe sometimes releases are staggered. Also, I should verify if it's an official release. Because unofficial homebrew ports might not be official, but the user is asking about an ISO. ISOs are typically disc images for emulation or backup purposes. So maybe the user is looking for an illegal copy. But my role is to provide accurate information without endorsing piracy. uncharted 3 psp iso
For further reading, check official PlayStation Store archives (if active) or retro gaming databases for historical releases. Report compiled with focus on fact-checked information and ethical considerations. Summarize the key points: existence of the PSP