The Requirements

A Fat PSP (a.k.a. PSP-1000) installed with the latest custom firmware 5.00 M33.
Enough battery so your PSP wouldn’t accidentally turn off in the middle of the flashing.
USB Cable

The Guide

Connect your PSP to your computer and put it in USB mode.
Download the official 1.50 firmware and copy it to the root of your PSP’s memory [...]

What’s new

PlayStation Network
Sleep Timer
USB Auto-Connect
New theme
Full-Screen keyboard has been added
Full screen and interlaced TV-out option for PSX games on the PSP Slim and PSP 3000

The Requirements

PSP with previous custom firmware installed, at least 4.01 M33-2
At least 75% battery, connect your PSP to an outlet via the Adapter.
USB Cable

The Guide

Download the installer pack  here.
Extract the file [...]

Are you looking for Free PSP Games Download? Where can you download it?
There are many PSP download sites on the internet. However, Some sites needed you to pay for the games to download or just spam paragraphs where it says How to get Free PSP Games Download, sites that pretend to give you free psp [...]

After watching the anime, I’m really looking forward to play this game even though its pure japanese game ^^

At Last Valhalla Knights 2 is added and also NBA Live 09 hope you like them.