PspDirectOnline.info

The update and related details have yet to appear on Sony’s website, which still lists version 3.52 as the latest one, but the new firmware can be obtained via the network update feature on the PSP. According to PSP Fanboy, the new additions of 3.70 include:

* You can now set custom themes in [Theme Settings] under [Settings].
* Support has been added for assigning buttons in [Remote Play].
* A scene search feature has been added under [Video].
* Sequential playback is now supported under [Video].
* Simultaneous playback of content under [Music] and [Photo] is now supported.

The update will work with both the original PSP hardware and the newer PSP-2000, though options that take advantage of the new model – such as UMD cache and USB charge – are disabled for the original unit.

[Source]