I got told about the whole lumines thing today by a friend and what he thought it was for is to basically run isos by using the lumines UMD instead of doing the whole firmware changes to play isos. I'm really confused now as to why people are putting the lumines hack on their psp's then downgrading. I thought the major upside to this hack was to be able to use the official psp firmware updates but still be able to play isos from the memory stick and homebrew stuff making it a completely safe way to be able to play isos and homebrew on the psp without changing to older firmware versions. I'd really appreciate an answer to all this without being flamed as i have only just started to research all this. Thanks in advnace.