UPDATE NOW AVAILABLE:Firmware 3.10 includes the following changes:
GAME
★ Support for PLAYSTATION Network titles has been expanded.
NETWORK
★ Support for the MPEG-4 AVC format has been added [LocationFree™ Player]. Note: LocationFree™ base stations: Model LF-PK20 (Japan) or LF-B20 and LF-B10 (United States) are required for this new feature. For more information, please review: http://www.sony.net/Products/LocationFree/psp/
★ [Conserve Memory] has been added as a feature under [View Settings] in [Internet Browser].
★ [PlayStation®Spot] has been added as a feature under [Network]. (shown below)
SETTING
★ [Dynamic Normalizer] has been added as a feature under [Sound Settings] in [Settings].
★ [Wireless HotSpot] has been added as a feature under [Network Settings] in [Settings].
PlayStation®Spot
PSP Firmware 3.10: Japanese | US | European | Chinese | Korean
Source:AtracLife