Why downgrade PSP instead of upgrade?
Downgrade a PSP so that you can run all your favorite software and
games on it. Both original UMD and homebrew enabled games.
*NOTE* Downgrade of the PSP firmware is legal but to download
pirated games is not.
There are different PSP firmware versions out there and many ways
to downgrade. I am doing for all PSP firmware version up to
3.50.
By following the instructions and directions clearly, the risk to
brick the PSP is minimized. I have done so far many sets of all PSP
version (Japan set, Indonesia set... etc) without any
problem.
100% successful rate guaranteed. It takes only 15 minutes to
complete, no need leave it overnight.