Installing a Custom Firmware on my PSP

For educational purposes only!
I'm still not sure what the procedure would be for me.

First off, I have an older PSP and I just installed the newest firmware 5.02 from Sony.

• http://www.us.playstation.com/Support/SystemUpdates/PSP

I want to play backup games on my PSP and from what I've read, I need to install custom firmware CFW to do so.

• http://www.psp-hacks.com/forums/f133/the-new-hack-your-psp-thread-t227349/
  
• http://pspcustomfirmware.com/
• http://uk.answers.yahoo.com/question/index?qid=20061215080237AAW1qWE

In order to do this I believe I need a Magic Memory Stick and a Pandora Battery.

• http://www.psp-hacks.com/forums/f133/unbrick-downgrade-install-cf-on-your-psp-with-t186757/

What is a Pandora Battery?

• http://www.noobz.eu/joomla/news/pandoras-battery.html

Making a Pandora Battery

• http://www.pspmod.com/forums/psp-hardware-guides/28839-easy-use-pandoras-battery-guide-3.html
  
• http://forums.afterdawn.com/thread_view.cfm/572482

It took a while to get the battery case pried open. Some guide make it seem like a pretty easy process, but you really need to work around the entire battery with a box cutter. Take your time and be careful! I nearly cut my hand doing this. I don't have a soldering iron, so I tried the safety pin method. I worked the pin until it broke off. I don't know if that was a good idea or not, but no turning around now. Another thing, I was really surprised how small those chips really are. Some folks have some really nice macro lenses to make the chip look big, but the pin you're working on is quite small. I didn't have the slim motherboard in my 1800 mAh original battery, so my only option was to lift/break the pin.

Using a Pandora Battery

• http://www.youtube.com/watch?v=cqMF622NpY4

To install backups, I think I need an ISO directory in the root of the memory stick. It is this directory that I copy the ISO or CFO? file. From there I should be able to access and play games from memory stick and not UMDs.