Being with the psp since the beginning and always watching the homebrew scene, the most harm you could do to your psp is brick it... then again there's the pandora's battery and other ways to bring it back to life....
As for the save files for dj max, if the hex editing would be done on the savefile, then just make a backup for it. On the other hand, if you were changing some flashed files on your psp, then make sure you can bring it back to life if anything goes wrong...
Then again... you're getting a psp 3000 so the most you can do is just hex edit the save data... |