It has been only about three weeks since the last firmware update and today a new PSP system update is upon us. Accordingly, firmware version 3.52 for the PSP is now available via Network Update and respective Sony PlayStation regional sites as outlined below. This update includes the following changes:

GAME
★ The number of PLAYSTATION®Network titles that can be played under [Game] has increased.

UPDATE NOW AVAILABLE:
PSP Firmware 3.52: Japanese | US | European | Chinese | Korean