Quick update: Sony PSP Firmware update- 4.01

It has been just a few weeks since sony launched its new Frimware version 4.0 and now you have a new version for your favourite PSP called Firmware version 4.01. The update is available on Sony PSP official website now all interested can upgrade. The new features that are added in it includes improvement in display of search results under internet search and improvement in video playback for certain file types.