PSP systems with system software version 2.80 or earlier do not correctly recognize high-capacity Memory Stick PRO Duo™ with more than 4 GB of free (recordable) memory space.

System software version 2.81 includes the following:

You can now download video and image content under [RSS Channel].
You can now register devices via a wireless LAN access point under [LocationFree™ Player].

* For more information on LocationFree Base Station products, visit http://www.sony.com/locationfree/ownerslounge/psp.
The following game demo is available for download.

Download page for World Tour Soccer 06 demo: http://us.playstation.com/worldtoursoccer06demo

To download directly to a PSP® system, go to http://psp.us.playstation.com/wts06demo using your system's Internet browser. Select here to view download instructions.

To download using a PC, select here to view download instructions.

You can now play AAC files with the .3gp file extension.

[Automatic] has been added as an option under [Network Settings] > [Infrastructure Mode].

Support for the playback of content stored in [MUSIC], [PICTURE] and [VIDEO] folders at the root level of Memory Stick Duo™ media has been added.
New for 2.81: A patch has been added to address a security vulnerability in the system software.