Sony has released another firmware update for the PSP, this time bring some much needed features such a full resolution video playback and expanded support for more PlayStation One titles. The firmware update can be downloaded in the usual way, but be warned that homebrew applications will not work with this firmware version. Check below for the full change log.

Change log:

• Game
  • Support for PLAYSTATION Network titles has been expanded.
• Network
  • Support for thumbnail images of items has been added under [RSS Channel].
• Video
  • Support for thumbnail images of videos that are stored in the “VIDEO” folder of Memory Stick Duo? media has been added.
  • The following types of files can now be played in the “VIDEO” folder.
    ? MPEG-4/H.264 AVC Main Profile (AVC CABAC) video files of the following sizes:
    720 X 480, 352 X 480, or 480 X 272
    * Depending on the data type, some files cannot be played.

• Settings
  • [Use Wireless Hotspot] has been added as a feature under [Network Settings].