Very confused and need some clearing up...

[ExcruciationX]

thanks for the info....i was reading the readme file included, and was wondering what 'xmb' was exactly...?

It means Cross Media Bar.

[moto2000]

If i have a PSP that is flashed to 3.40oe-a for example, is it hard to change it back to original firmware if i wanted to do so?

[Yrkoon]

tricky question that one u can go back to 1.5 then upgrade from there but some recent official firmwares wont let you upgrade if theres any sign of tampering in the flash eg downgrading but ive been hearing on some sites theres a cleaner program for the flash you just need to replace the keys in flash or something im unsure about this subject as you must be mad to go from custom to official