Although undocumented in the official changelog for PSP firmware 4.05, a page found on Sony’s North American customer care website has unearthed a hidden feature contained in the update: support for PlayStation Store movie and television video downloads.

Interesting, interesting. If this discovery is any indication, perhaps we’ll be hearing more about the PSN integrated video download service at Sony’s E3 briefing tomorrow afternoon. Last we heard, it’s scheduled to launch this summer.

What features were released with system software version 4.05 for the PSP® portable entertainment system? [PlayStation Knowledge Base]

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