As planned Sony have released PSP Firmware 5.0 via the network update feature or download below. Release changes:
* The [PlayStation Network] category has been added, and [PlayStation Store] is now available under this category.
* The sleep timer feature can now be used under [Music]
* The system will automatically change to USB mode when a USB cable is connected.
* The [Original] theme has been redesigned
If your really keen to have it you can download it below, otherwise wait for 5.00 M33.
Download
PSP Firmware 5.0 now out
at 4:27 PM