How to Install Gen-A 5.03 on a PSP 3000 using ChickHEN
This video provides you with a walkthrough on how to install Gen-A 5.03 on your PSP 3000. In order to do this, you will need ChickHEN and Custom Firmware (CFW). This video does not explain how to install ChickHEN and CFW on your PSP, so be sure to check out another video on how to do that before proceeding with this one. This video assumes you've already hacked your PSP.